Home / 10,516,465.40-15,763,811.70-5,714,007.80

Finding the Fourth Proportional to 10,516,465.40, 15,763,811.70 and 5,714,007.80

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Solution

The fourth proportional to 10,516,465.40, 15,763,811.70 and 5,714,007.80 is: 8,565,096.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516,465.40 : 15,763,811.70 = 5,714,007.80 : x
  2. Step 2: Convert to fraction form
    10,516,465.40/15,763,811.70 = 5,714,007.80/x
  3. Step 3: Cross multiply
    10,516,465.40x = 15,763,811.70 × 5,714,007.80
  4. Step 4: Simplify right side
    10,516,465.40x = 90,074,543,011,531.25
  5. Step 5: Solve for x
    x = 90,074,543,011,531.25/10,516,465.40
  6. Step 6: Final answer
    x = 8,565,096.69

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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.