Home / 22,779,483.46-31,437,650.96-12,990,340.24

Finding the Fourth Proportional to 22,779,483.46, 31,437,650.96 and 12,990,340.24

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Solution

The fourth proportional to 22,779,483.46, 31,437,650.96 and 12,990,340.24 is: 17,927,789.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,779,483.46 : 31,437,650.96 = 12,990,340.24 : x
  2. Step 2: Convert to fraction form
    22,779,483.46/31,437,650.96 = 12,990,340.24/x
  3. Step 3: Cross multiply
    22,779,483.46x = 31,437,650.96 × 12,990,340.24
  4. Step 4: Simplify right side
    22,779,483.46x = 408,385,782,316,762.62
  5. Step 5: Solve for x
    x = 408,385,782,316,762.62/22,779,483.46
  6. Step 6: Final answer
    x = 17,927,789.41

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Double scale
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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.