Home / 7,421,973.40-11,132,960.10-5,740,283.80

Finding the Fourth Proportional to 7,421,973.40, 11,132,960.10 and 5,740,283.80

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Solution

The fourth proportional to 7,421,973.40, 11,132,960.10 and 5,740,283.80 is: 8,610,425.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421,973.40 : 11,132,960.10 = 5,740,283.80 : x
  2. Step 2: Convert to fraction form
    7,421,973.40/11,132,960.10 = 5,740,283.80/x
  3. Step 3: Cross multiply
    7,421,973.40x = 11,132,960.10 × 5,740,283.80
  4. Step 4: Simplify right side
    7,421,973.40x = 63,906,350,508,076.38
  5. Step 5: Solve for x
    x = 63,906,350,508,076.38/7,421,973.40
  6. Step 6: Final answer
    x = 8,610,425.70

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1.5x scale

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.