Home / 28,710,010.40-43,088,516.40-28,486,061.60

Finding the Fourth Proportional to 28,710,010.40, 43,088,516.40 and 28,486,061.60

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Solution

The fourth proportional to 28,710,010.40, 43,088,516.40 and 28,486,061.60 is: 42,752,409.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,710,010.40 : 43,088,516.40 = 28,486,061.60 : x
  2. Step 2: Convert to fraction form
    28,710,010.40/43,088,516.40 = 28,486,061.60/x
  3. Step 3: Cross multiply
    28,710,010.40x = 43,088,516.40 × 28,486,061.60
  4. Step 4: Simplify right side
    28,710,010.40x = 1,227,422,132,423,010.25
  5. Step 5: Solve for x
    x = 1,227,422,132,423,010.25/28,710,010.40
  6. Step 6: Final answer
    x = 42,752,409.88

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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.