Home / 10,726,903.60-16,090,355.40-7,325,681.20

Finding the Fourth Proportional to 10,726,903.60, 16,090,355.40 and 7,325,681.20

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Solution

The fourth proportional to 10,726,903.60, 16,090,355.40 and 7,325,681.20 is: 10,988,521.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,726,903.60 : 16,090,355.40 = 7,325,681.20 : x
  2. Step 2: Convert to fraction form
    10,726,903.60/16,090,355.40 = 7,325,681.20/x
  3. Step 3: Cross multiply
    10,726,903.60x = 16,090,355.40 × 7,325,681.20
  4. Step 4: Simplify right side
    10,726,903.60x = 117,872,814,055,098.48
  5. Step 5: Solve for x
    x = 117,872,814,055,098.48/10,726,903.60
  6. Step 6: Final answer
    x = 10,988,521.80

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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.