Home / 8,779,312.77-12,114,630.78-5,246,408.31

Finding the Fourth Proportional to 8,779,312.77, 12,114,630.78 and 5,246,408.31

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Solution

The fourth proportional to 8,779,312.77, 12,114,630.78 and 5,246,408.31 is: 7,239,552.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779,312.77 : 12,114,630.78 = 5,246,408.31 : x
  2. Step 2: Convert to fraction form
    8,779,312.77/12,114,630.78 = 5,246,408.31/x
  3. Step 3: Cross multiply
    8,779,312.77x = 12,114,630.78 × 5,246,408.31
  4. Step 4: Simplify right side
    8,779,312.77x = 63,558,299,596,773.77
  5. Step 5: Solve for x
    x = 63,558,299,596,773.77/8,779,312.77
  6. Step 6: Final answer
    x = 7,239,552.94

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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.