Home / 20,072,038.70-30,108,058.05-6,607,117.10

Finding the Fourth Proportional to 20,072,038.70, 30,108,058.05 and 6,607,117.10

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Solution

The fourth proportional to 20,072,038.70, 30,108,058.05 and 6,607,117.10 is: 9,910,675.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,072,038.70 : 30,108,058.05 = 6,607,117.10 : x
  2. Step 2: Convert to fraction form
    20,072,038.70/30,108,058.05 = 6,607,117.10/x
  3. Step 3: Cross multiply
    20,072,038.70x = 30,108,058.05 × 6,607,117.10
  4. Step 4: Simplify right side
    20,072,038.70x = 198,927,465,189,947.66
  5. Step 5: Solve for x
    x = 198,927,465,189,947.66/20,072,038.70
  6. Step 6: Final answer
    x = 9,910,675.65

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Similar ratio
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1.5x scale

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.