Home / 30,283,934.10-45,425,901.15-12,090,937.20

Finding the Fourth Proportional to 30,283,934.10, 45,425,901.15 and 12,090,937.20

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Solution

The fourth proportional to 30,283,934.10, 45,425,901.15 and 12,090,937.20 is: 18,136,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,283,934.10 : 45,425,901.15 = 12,090,937.20 : x
  2. Step 2: Convert to fraction form
    30,283,934.10/45,425,901.15 = 12,090,937.20/x
  3. Step 3: Cross multiply
    30,283,934.10x = 45,425,901.15 × 12,090,937.20
  4. Step 4: Simplify right side
    30,283,934.10x = 549,241,718,058,057.75
  5. Step 5: Solve for x
    x = 549,241,718,058,057.75/30,283,934.10
  6. Step 6: Final answer
    x = 18,136,405.80

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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.