Home / 21,695,009.13-29,934,435.74-12,522,337.47

Finding the Fourth Proportional to 21,695,009.13, 29,934,435.74 and 12,522,337.47

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Solution

The fourth proportional to 21,695,009.13, 29,934,435.74 and 12,522,337.47 is: 17,278,126.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,695,009.13 : 29,934,435.74 = 12,522,337.47 : x
  2. Step 2: Convert to fraction form
    21,695,009.13/29,934,435.74 = 12,522,337.47/x
  3. Step 3: Cross multiply
    21,695,009.13x = 29,934,435.74 × 12,522,337.47
  4. Step 4: Simplify right side
    21,695,009.13x = 374,849,106,247,697.50
  5. Step 5: Solve for x
    x = 374,849,106,247,697.50/21,695,009.13
  6. Step 6: Final answer
    x = 17,278,126.23

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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.