Home / 8,600,569.22-12,885,720-8,088,548.78

Finding the Fourth Proportional to 8,600,569.22, 12,885,720 and 8,088,548.78

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Solution

The fourth proportional to 8,600,569.22, 12,885,720 and 8,088,548.78 is: 12,118,590.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600,569.22 : 12,885,720 = 8,088,548.78 : x
  2. Step 2: Convert to fraction form
    8,600,569.22/12,885,720 = 8,088,548.78/x
  3. Step 3: Cross multiply
    8,600,569.22x = 12,885,720 × 8,088,548.78
  4. Step 4: Simplify right side
    8,600,569.22x = 104,226,774,720,993
  5. Step 5: Solve for x
    x = 104,226,774,720,993/8,600,569.22
  6. Step 6: Final answer
    x = 12,118,590.31

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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.