Home / 6,913,220.90-10,369,831.35-4,787,456.90

Finding the Fourth Proportional to 6,913,220.90, 10,369,831.35 and 4,787,456.90

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Solution

The fourth proportional to 6,913,220.90, 10,369,831.35 and 4,787,456.90 is: 7,181,185.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913,220.90 : 10,369,831.35 = 4,787,456.90 : x
  2. Step 2: Convert to fraction form
    6,913,220.90/10,369,831.35 = 4,787,456.90/x
  3. Step 3: Cross multiply
    6,913,220.90x = 10,369,831.35 × 4,787,456.90
  4. Step 4: Simplify right side
    6,913,220.90x = 49,645,120,648,393.82
  5. Step 5: Solve for x
    x = 49,645,120,648,393.82/6,913,220.90
  6. Step 6: Final answer
    x = 7,181,185.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.