Home / 15,613,922.32-21,549,475.48-8,997,223.52

Finding the Fourth Proportional to 15,613,922.32, 21,549,475.48 and 8,997,223.52

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Solution

The fourth proportional to 15,613,922.32, 21,549,475.48 and 8,997,223.52 is: 12,417,472.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,613,922.32 : 21,549,475.48 = 8,997,223.52 : x
  2. Step 2: Convert to fraction form
    15,613,922.32/21,549,475.48 = 8,997,223.52/x
  3. Step 3: Cross multiply
    15,613,922.32x = 21,549,475.48 × 8,997,223.52
  4. Step 4: Simplify right side
    15,613,922.32x = 193,885,447,632,319.28
  5. Step 5: Solve for x
    x = 193,885,447,632,319.28/15,613,922.32
  6. Step 6: Final answer
    x = 12,417,472.28

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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.