Home / 14,327,210.40-21,490,815.60-7,152,756.90

Finding the Fourth Proportional to 14,327,210.40, 21,490,815.60 and 7,152,756.90

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Solution

The fourth proportional to 14,327,210.40, 21,490,815.60 and 7,152,756.90 is: 10,729,135.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,327,210.40 : 21,490,815.60 = 7,152,756.90 : x
  2. Step 2: Convert to fraction form
    14,327,210.40/21,490,815.60 = 7,152,756.90/x
  3. Step 3: Cross multiply
    14,327,210.40x = 21,490,815.60 × 7,152,756.90
  4. Step 4: Simplify right side
    14,327,210.40x = 153,718,579,569,527.66
  5. Step 5: Solve for x
    x = 153,718,579,569,527.66/14,327,210.40
  6. Step 6: Final answer
    x = 10,729,135.35

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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.