Home / 52,689,338.71-72,712,148.26-28,846,568.13

Finding the Fourth Proportional to 52,689,338.71, 72,712,148.26 and 28,846,568.13

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Solution

The fourth proportional to 52,689,338.71, 72,712,148.26 and 28,846,568.13 is: 39,808,735.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,689,338.71 : 72,712,148.26 = 28,846,568.13 : x
  2. Step 2: Convert to fraction form
    52,689,338.71/72,712,148.26 = 28,846,568.13/x
  3. Step 3: Cross multiply
    52,689,338.71x = 72,712,148.26 × 28,846,568.13
  4. Step 4: Simplify right side
    52,689,338.71x = 2,097,495,938,660,751
  5. Step 5: Solve for x
    x = 2,097,495,938,660,751/52,689,338.71
  6. Step 6: Final answer
    x = 39,808,735.32

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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.