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Finding the Fourth Proportional to 8,916,458.04, 12,308,478.57 and 6,019,772.40

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Solution

The fourth proportional to 8,916,458.04, 12,308,478.57 and 6,019,772.40 is: 8,309,828.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916,458.04 : 12,308,478.57 = 6,019,772.40 : x
  2. Step 2: Convert to fraction form
    8,916,458.04/12,308,478.57 = 6,019,772.40/x
  3. Step 3: Cross multiply
    8,916,458.04x = 12,308,478.57 × 6,019,772.40
  4. Step 4: Simplify right side
    8,916,458.04x = 74,094,239,581,677.47
  5. Step 5: Solve for x
    x = 74,094,239,581,677.47/8,916,458.04
  6. Step 6: Final answer
    x = 8,309,828.77

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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.