Home / 8,918,167.02-12,312,169.83-5,871,238.62

Finding the Fourth Proportional to 8,918,167.02, 12,312,169.83 and 5,871,238.62

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Solution

The fourth proportional to 8,918,167.02, 12,312,169.83 and 5,871,238.62 is: 8,105,666.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,918,167.02 : 12,312,169.83 = 5,871,238.62 : x
  2. Step 2: Convert to fraction form
    8,918,167.02/12,312,169.83 = 5,871,238.62/x
  3. Step 3: Cross multiply
    8,918,167.02x = 12,312,169.83 × 5,871,238.62
  4. Step 4: Simplify right side
    8,918,167.02x = 72,287,687,001,894.84
  5. Step 5: Solve for x
    x = 72,287,687,001,894.84/8,918,167.02
  6. Step 6: Final answer
    x = 8,105,666.43

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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.