Home / 27,426,987.40-41,140,831.02-18,905,035.72

Finding the Fourth Proportional to 27,426,987.40, 41,140,831.02 and 18,905,035.72

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Solution

The fourth proportional to 27,426,987.40, 41,140,831.02 and 18,905,035.72 is: 28,357,794.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,426,987.40 : 41,140,831.02 = 18,905,035.72 : x
  2. Step 2: Convert to fraction form
    27,426,987.40/41,140,831.02 = 18,905,035.72/x
  3. Step 3: Cross multiply
    27,426,987.40x = 41,140,831.02 × 18,905,035.72
  4. Step 4: Simplify right side
    27,426,987.40x = 777,768,879,983,584
  5. Step 5: Solve for x
    x = 777,768,879,983,584/27,426,987.40
  6. Step 6: Final answer
    x = 28,357,794.77

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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.