Home / 8,386,780.38-11,570,973.30-6,835,374.42

Finding the Fourth Proportional to 8,386,780.38, 11,570,973.30 and 6,835,374.42

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Solution

The fourth proportional to 8,386,780.38, 11,570,973.30 and 6,835,374.42 is: 9,430,548.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386,780.38 : 11,570,973.30 = 6,835,374.42 : x
  2. Step 2: Convert to fraction form
    8,386,780.38/11,570,973.30 = 6,835,374.42/x
  3. Step 3: Cross multiply
    8,386,780.38x = 11,570,973.30 × 6,835,374.42
  4. Step 4: Simplify right side
    8,386,780.38x = 79,091,934,909,322.98
  5. Step 5: Solve for x
    x = 79,091,934,909,322.98/8,386,780.38
  6. Step 6: Final answer
    x = 9,430,548.00

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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.