Home / 8,987,331.20-12,402,500.10-4,912,950.20

Finding the Fourth Proportional to 8,987,331.20, 12,402,500.10 and 4,912,950.20

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Solution

The fourth proportional to 8,987,331.20, 12,402,500.10 and 4,912,950.20 is: 6,779,862.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,987,331.20 : 12,402,500.10 = 4,912,950.20 : x
  2. Step 2: Convert to fraction form
    8,987,331.20/12,402,500.10 = 4,912,950.20/x
  3. Step 3: Cross multiply
    8,987,331.20x = 12,402,500.10 × 4,912,950.20
  4. Step 4: Simplify right side
    8,987,331.20x = 60,932,865,346,795.02
  5. Step 5: Solve for x
    x = 60,932,865,346,795.02/8,987,331.20
  6. Step 6: Final answer
    x = 6,779,862.01

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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.