Home / 12,482,021.70-18,723,032.55-5,292,332.10

Finding the Fourth Proportional to 12,482,021.70, 18,723,032.55 and 5,292,332.10

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Solution

The fourth proportional to 12,482,021.70, 18,723,032.55 and 5,292,332.10 is: 7,938,498.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,021.70 : 18,723,032.55 = 5,292,332.10 : x
  2. Step 2: Convert to fraction form
    12,482,021.70/18,723,032.55 = 5,292,332.10/x
  3. Step 3: Cross multiply
    12,482,021.70x = 18,723,032.55 × 5,292,332.10
  4. Step 4: Simplify right side
    12,482,021.70x = 99,088,506,173,709.86
  5. Step 5: Solve for x
    x = 99,088,506,173,709.86/12,482,021.70
  6. Step 6: Final answer
    x = 7,938,498.15

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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.