Home / 7,572,439.68-10,449,914.40-4,134,678.72

Finding the Fourth Proportional to 7,572,439.68, 10,449,914.40 and 4,134,678.72

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Solution

The fourth proportional to 7,572,439.68, 10,449,914.40 and 4,134,678.72 is: 5,705,828.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572,439.68 : 10,449,914.40 = 4,134,678.72 : x
  2. Step 2: Convert to fraction form
    7,572,439.68/10,449,914.40 = 4,134,678.72/x
  3. Step 3: Cross multiply
    7,572,439.68x = 10,449,914.40 × 4,134,678.72
  4. Step 4: Simplify right side
    7,572,439.68x = 43,207,038,695,501.57
  5. Step 5: Solve for x
    x = 43,207,038,695,501.57/7,572,439.68
  6. Step 6: Final answer
    x = 5,705,828.05

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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.