Home / 14,486,145.60-21,696,040.80-7,386,139.20

Finding the Fourth Proportional to 14,486,145.60, 21,696,040.80 and 7,386,139.20

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Solution

The fourth proportional to 14,486,145.60, 21,696,040.80 and 7,386,139.20 is: 11,062,292.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,486,145.60 : 21,696,040.80 = 7,386,139.20 : x
  2. Step 2: Convert to fraction form
    14,486,145.60/21,696,040.80 = 7,386,139.20/x
  3. Step 3: Cross multiply
    14,486,145.60x = 21,696,040.80 × 7,386,139.20
  4. Step 4: Simplify right side
    14,486,145.60x = 160,249,977,437,679.38
  5. Step 5: Solve for x
    x = 160,249,977,437,679.38/14,486,145.60
  6. Step 6: Final answer
    x = 11,062,292.34

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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.