Home / 28,262,447.40-42,399,200.70-12,088,367.40

Finding the Fourth Proportional to 28,262,447.40, 42,399,200.70 and 12,088,367.40

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Solution

The fourth proportional to 28,262,447.40, 42,399,200.70 and 12,088,367.40 is: 18,134,916.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,262,447.40 : 42,399,200.70 = 12,088,367.40 : x
  2. Step 2: Convert to fraction form
    28,262,447.40/42,399,200.70 = 12,088,367.40/x
  3. Step 3: Cross multiply
    28,262,447.40x = 42,399,200.70 × 12,088,367.40
  4. Step 4: Simplify right side
    28,262,447.40x = 512,537,115,527,937.25
  5. Step 5: Solve for x
    x = 512,537,115,527,937.25/28,262,447.40
  6. Step 6: Final answer
    x = 18,134,916.21

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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.