Home / 12,312,089.92-16,990,387.50-6,730,088.32

Finding the Fourth Proportional to 12,312,089.92, 16,990,387.50 and 6,730,088.32

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Solution

The fourth proportional to 12,312,089.92, 16,990,387.50 and 6,730,088.32 is: 9,287,359.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,312,089.92 : 16,990,387.50 = 6,730,088.32 : x
  2. Step 2: Convert to fraction form
    12,312,089.92/16,990,387.50 = 6,730,088.32/x
  3. Step 3: Cross multiply
    12,312,089.92x = 16,990,387.50 × 6,730,088.32
  4. Step 4: Simplify right side
    12,312,089.92x = 114,346,808,466,024
  5. Step 5: Solve for x
    x = 114,346,808,466,024/12,312,089.92
  6. Step 6: Final answer
    x = 9,287,359.76

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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.