Home / 27,472,001.20-41,208,001.80-21,114,343.60

Finding the Fourth Proportional to 27,472,001.20, 41,208,001.80 and 21,114,343.60

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Solution

The fourth proportional to 27,472,001.20, 41,208,001.80 and 21,114,343.60 is: 31,671,515.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,472,001.20 : 41,208,001.80 = 21,114,343.60 : x
  2. Step 2: Convert to fraction form
    27,472,001.20/41,208,001.80 = 21,114,343.60/x
  3. Step 3: Cross multiply
    27,472,001.20x = 41,208,001.80 × 21,114,343.60
  4. Step 4: Simplify right side
    27,472,001.20x = 870,079,909,074,618.50
  5. Step 5: Solve for x
    x = 870,079,909,074,618.50/27,472,001.20
  6. Step 6: Final answer
    x = 31,671,515.40

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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.