Home / 8,712,999.40-13,044,615.90-8,464,167.40

Finding the Fourth Proportional to 8,712,999.40, 13,044,615.90 and 8,464,167.40

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Solution

The fourth proportional to 8,712,999.40, 13,044,615.90 and 8,464,167.40 is: 12,672,078.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712,999.40 : 13,044,615.90 = 8,464,167.40 : x
  2. Step 2: Convert to fraction form
    8,712,999.40/13,044,615.90 = 8,464,167.40/x
  3. Step 3: Cross multiply
    8,712,999.40x = 13,044,615.90 × 8,464,167.40
  4. Step 4: Simplify right side
    8,712,999.40x = 110,411,812,646,301.67
  5. Step 5: Solve for x
    x = 110,411,812,646,301.67/8,712,999.40
  6. Step 6: Final answer
    x = 12,672,078.53

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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.