Home / 7,913,451.60-11,877,175.80-6,779,710.80

Finding the Fourth Proportional to 7,913,451.60, 11,877,175.80 and 6,779,710.80

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Solution

The fourth proportional to 7,913,451.60, 11,877,175.80 and 6,779,710.80 is: 10,175,561.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913,451.60 : 11,877,175.80 = 6,779,710.80 : x
  2. Step 2: Convert to fraction form
    7,913,451.60/11,877,175.80 = 6,779,710.80/x
  3. Step 3: Cross multiply
    7,913,451.60x = 11,877,175.80 × 6,779,710.80
  4. Step 4: Simplify right side
    7,913,451.60x = 80,523,817,044,758.64
  5. Step 5: Solve for x
    x = 80,523,817,044,758.64/7,913,451.60
  6. Step 6: Final answer
    x = 10,175,561.96

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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.