Home / 28,730,587.10-43,116,875.85-20,227,531.10

Finding the Fourth Proportional to 28,730,587.10, 43,116,875.85 and 20,227,531.10

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Solution

The fourth proportional to 28,730,587.10, 43,116,875.85 and 20,227,531.10 is: 30,356,078.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,730,587.10 : 43,116,875.85 = 20,227,531.10 : x
  2. Step 2: Convert to fraction form
    28,730,587.10/43,116,875.85 = 20,227,531.10/x
  3. Step 3: Cross multiply
    28,730,587.10x = 43,116,875.85 × 20,227,531.10
  4. Step 4: Simplify right side
    28,730,587.10x = 872,147,947,190,714
  5. Step 5: Solve for x
    x = 872,147,947,190,714/28,730,587.10
  6. Step 6: Final answer
    x = 30,356,078.15

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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.