Home / 12,312,088.92-16,990,386.12-6,730,087.32

Finding the Fourth Proportional to 12,312,088.92, 16,990,386.12 and 6,730,087.32

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Solution

The fourth proportional to 12,312,088.92, 16,990,386.12 and 6,730,087.32 is: 9,287,358.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,312,088.92 : 16,990,386.12 = 6,730,087.32 : x
  2. Step 2: Convert to fraction form
    12,312,088.92/16,990,386.12 = 6,730,087.32/x
  3. Step 3: Cross multiply
    12,312,088.92x = 16,990,386.12 × 6,730,087.32
  4. Step 4: Simplify right side
    12,312,088.92x = 114,346,782,188,116.02
  5. Step 5: Solve for x
    x = 114,346,782,188,116.02/12,312,088.92
  6. Step 6: Final answer
    x = 9,287,358.38

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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.