Home / 8,042,956.86-12,064,519.36-3,186,445.20

Finding the Fourth Proportional to 8,042,956.86, 12,064,519.36 and 3,186,445.20

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Solution

The fourth proportional to 8,042,956.86, 12,064,519.36 and 3,186,445.20 is: 4,779,701.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,042,956.86 : 12,064,519.36 = 3,186,445.20 : x
  2. Step 2: Convert to fraction form
    8,042,956.86/12,064,519.36 = 3,186,445.20/x
  3. Step 3: Cross multiply
    8,042,956.86x = 12,064,519.36 × 3,186,445.20
  4. Step 4: Simplify right side
    8,042,956.86x = 38,442,929,804,979.07
  5. Step 5: Solve for x
    x = 38,442,929,804,979.07/8,042,956.86
  6. Step 6: Final answer
    x = 4,779,701.11

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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.