Home / 7,280,981.10-10,921,471.65-7,186,502.70

Finding the Fourth Proportional to 7,280,981.10, 10,921,471.65 and 7,186,502.70

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Solution

The fourth proportional to 7,280,981.10, 10,921,471.65 and 7,186,502.70 is: 10,779,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280,981.10 : 10,921,471.65 = 7,186,502.70 : x
  2. Step 2: Convert to fraction form
    7,280,981.10/10,921,471.65 = 7,186,502.70/x
  3. Step 3: Cross multiply
    7,280,981.10x = 10,921,471.65 × 7,186,502.70
  4. Step 4: Simplify right side
    7,280,981.10x = 78,487,185,500,698.45
  5. Step 5: Solve for x
    x = 78,487,185,500,698.45/7,280,981.10
  6. Step 6: Final answer
    x = 10,779,754.05

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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.