Home / 42,154,802.07-58,155,813.49-28,220,646.54

Finding the Fourth Proportional to 42,154,802.07, 58,155,813.49 and 28,220,646.54

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Solution

The fourth proportional to 42,154,802.07, 58,155,813.49 and 28,220,646.54 is: 38,932,567.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,154,802.07 : 58,155,813.49 = 28,220,646.54 : x
  2. Step 2: Convert to fraction form
    42,154,802.07/58,155,813.49 = 28,220,646.54/x
  3. Step 3: Cross multiply
    42,154,802.07x = 58,155,813.49 × 28,220,646.54
  4. Step 4: Simplify right side
    42,154,802.07x = 1,641,194,656,747,453.75
  5. Step 5: Solve for x
    x = 1,641,194,656,747,453.75/42,154,802.07
  6. Step 6: Final answer
    x = 38,932,567.02

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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.