Home / 12,713,000.10-19,069,500.15-9,111,156.90

Finding the Fourth Proportional to 12,713,000.10, 19,069,500.15 and 9,111,156.90

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Solution

The fourth proportional to 12,713,000.10, 19,069,500.15 and 9,111,156.90 is: 13,666,735.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,713,000.10 : 19,069,500.15 = 9,111,156.90 : x
  2. Step 2: Convert to fraction form
    12,713,000.10/19,069,500.15 = 9,111,156.90/x
  3. Step 3: Cross multiply
    12,713,000.10x = 19,069,500.15 × 9,111,156.90
  4. Step 4: Simplify right side
    12,713,000.10x = 173,745,207,871,223.53
  5. Step 5: Solve for x
    x = 173,745,207,871,223.53/12,713,000.10
  6. Step 6: Final answer
    x = 13,666,735.35

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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.