Home / 9,330,386.99-12,875,994.15-5,200,680.35

Finding the Fourth Proportional to 9,330,386.99, 12,875,994.15 and 5,200,680.35

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Solution

The fourth proportional to 9,330,386.99, 12,875,994.15 and 5,200,680.35 is: 7,176,972.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,330,386.99 : 12,875,994.15 = 5,200,680.35 : x
  2. Step 2: Convert to fraction form
    9,330,386.99/12,875,994.15 = 5,200,680.35/x
  3. Step 3: Cross multiply
    9,330,386.99x = 12,875,994.15 × 5,200,680.35
  4. Step 4: Simplify right side
    9,330,386.99x = 66,963,929,814,312.49
  5. Step 5: Solve for x
    x = 66,963,929,814,312.49/9,330,386.99
  6. Step 6: Final answer
    x = 7,176,972.39

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.