Home / 12,871,327.60-17,762,990.34-7,366,430.44

Finding the Fourth Proportional to 12,871,327.60, 17,762,990.34 and 7,366,430.44

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Solution

The fourth proportional to 12,871,327.60, 17,762,990.34 and 7,366,430.44 is: 10,165,993.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,871,327.60 : 17,762,990.34 = 7,366,430.44 : x
  2. Step 2: Convert to fraction form
    12,871,327.60/17,762,990.34 = 7,366,430.44/x
  3. Step 3: Cross multiply
    12,871,327.60x = 17,762,990.34 × 7,366,430.44
  4. Step 4: Simplify right side
    12,871,327.60x = 130,849,832,746,001.95
  5. Step 5: Solve for x
    x = 130,849,832,746,001.95/12,871,327.60
  6. Step 6: Final answer
    x = 10,165,993.50

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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.