Home / 28,495,312.17-39,323,564.10-15,442,570.41

Finding the Fourth Proportional to 28,495,312.17, 39,323,564.10 and 15,442,570.41

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Solution

The fourth proportional to 28,495,312.17, 39,323,564.10 and 15,442,570.41 is: 21,310,765.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,495,312.17 : 39,323,564.10 = 15,442,570.41 : x
  2. Step 2: Convert to fraction form
    28,495,312.17/39,323,564.10 = 15,442,570.41/x
  3. Step 3: Cross multiply
    28,495,312.17x = 39,323,564.10 × 15,442,570.41
  4. Step 4: Simplify right side
    28,495,312.17x = 607,256,907,386,398.25
  5. Step 5: Solve for x
    x = 607,256,907,386,398.25/28,495,312.17
  6. Step 6: Final answer
    x = 21,310,765.22

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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.