Home / 7,117,710.40-10,676,565.60-6,769,345.60

Finding the Fourth Proportional to 7,117,710.40, 10,676,565.60 and 6,769,345.60

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Solution

The fourth proportional to 7,117,710.40, 10,676,565.60 and 6,769,345.60 is: 10,154,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,710.40 : 10,676,565.60 = 6,769,345.60 : x
  2. Step 2: Convert to fraction form
    7,117,710.40/10,676,565.60 = 6,769,345.60/x
  3. Step 3: Cross multiply
    7,117,710.40x = 10,676,565.60 × 6,769,345.60
  4. Step 4: Simplify right side
    7,117,710.40x = 72,273,362,367,471.36
  5. Step 5: Solve for x
    x = 72,273,362,367,471.36/7,117,710.40
  6. Step 6: Final answer
    x = 10,154,018.40

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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.