Home / 10,871,130.20-16,306,695.30-7,287,949.40

Finding the Fourth Proportional to 10,871,130.20, 16,306,695.30 and 7,287,949.40

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Solution

The fourth proportional to 10,871,130.20, 16,306,695.30 and 7,287,949.40 is: 10,931,924.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871,130.20 : 16,306,695.30 = 7,287,949.40 : x
  2. Step 2: Convert to fraction form
    10,871,130.20/16,306,695.30 = 7,287,949.40/x
  3. Step 3: Cross multiply
    10,871,130.20x = 16,306,695.30 × 7,287,949.40
  4. Step 4: Simplify right side
    10,871,130.20x = 118,842,370,227,617.83
  5. Step 5: Solve for x
    x = 118,842,370,227,617.83/10,871,130.20
  6. Step 6: Final answer
    x = 10,931,924.10

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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.