Home / 8,747,263.40-13,120,895.10-4,920,888.20

Finding the Fourth Proportional to 8,747,263.40, 13,120,895.10 and 4,920,888.20

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Solution

The fourth proportional to 8,747,263.40, 13,120,895.10 and 4,920,888.20 is: 7,381,332.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747,263.40 : 13,120,895.10 = 4,920,888.20 : x
  2. Step 2: Convert to fraction form
    8,747,263.40/13,120,895.10 = 4,920,888.20/x
  3. Step 3: Cross multiply
    8,747,263.40x = 13,120,895.10 × 4,920,888.20
  4. Step 4: Simplify right side
    8,747,263.40x = 64,566,457,871,027.82
  5. Step 5: Solve for x
    x = 64,566,457,871,027.82/8,747,263.40
  6. Step 6: Final answer
    x = 7,381,332.30

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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.