Home / 7,242,798.60-10,865,510.10-3,639,497.40

Finding the Fourth Proportional to 7,242,798.60, 10,865,510.10 and 3,639,497.40

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Solution

The fourth proportional to 7,242,798.60, 10,865,510.10 and 3,639,497.40 is: 5,459,905.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242,798.60 : 10,865,510.10 = 3,639,497.40 : x
  2. Step 2: Convert to fraction form
    7,242,798.60/10,865,510.10 = 3,639,497.40/x
  3. Step 3: Cross multiply
    7,242,798.60x = 10,865,510.10 × 3,639,497.40
  4. Step 4: Simplify right side
    7,242,798.60x = 39,544,995,758,623.73
  5. Step 5: Solve for x
    x = 39,544,995,758,623.73/7,242,798.60
  6. Step 6: Final answer
    x = 5,459,905.48

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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.