Home / 15,501,685.10-23,252,527.65-12,138,766.70

Finding the Fourth Proportional to 15,501,685.10, 23,252,527.65 and 12,138,766.70

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Solution

The fourth proportional to 15,501,685.10, 23,252,527.65 and 12,138,766.70 is: 18,208,150.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,501,685.10 : 23,252,527.65 = 12,138,766.70 : x
  2. Step 2: Convert to fraction form
    15,501,685.10/23,252,527.65 = 12,138,766.70/x
  3. Step 3: Cross multiply
    15,501,685.10x = 23,252,527.65 × 12,138,766.70
  4. Step 4: Simplify right side
    15,501,685.10x = 282,257,008,328,649.25
  5. Step 5: Solve for x
    x = 282,257,008,328,649.25/15,501,685.10
  6. Step 6: Final answer
    x = 18,208,150.05

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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.