Home / 12,693,430.80-17,516,955.24-6,892,223.76

Finding the Fourth Proportional to 12,693,430.80, 17,516,955.24 and 6,892,223.76

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Solution

The fourth proportional to 12,693,430.80, 17,516,955.24 and 6,892,223.76 is: 9,511,280.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,693,430.80 : 17,516,955.24 = 6,892,223.76 : x
  2. Step 2: Convert to fraction form
    12,693,430.80/17,516,955.24 = 6,892,223.76/x
  3. Step 3: Cross multiply
    12,693,430.80x = 17,516,955.24 × 6,892,223.76
  4. Step 4: Simplify right side
    12,693,430.80x = 120,730,775,107,984.48
  5. Step 5: Solve for x
    x = 120,730,775,107,984.48/12,693,430.80
  6. Step 6: Final answer
    x = 9,511,280.05

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1.5x scale

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.