Home / 30,128,849.60-45,106,395.98-27,013,567.42

Finding the Fourth Proportional to 30,128,849.60, 45,106,395.98 and 27,013,567.42

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Solution

The fourth proportional to 30,128,849.60, 45,106,395.98 and 27,013,567.42 is: 40,442,455.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,128,849.60 : 45,106,395.98 = 27,013,567.42 : x
  2. Step 2: Convert to fraction form
    30,128,849.60/45,106,395.98 = 27,013,567.42/x
  3. Step 3: Cross multiply
    30,128,849.60x = 45,106,395.98 × 27,013,567.42
  4. Step 4: Simplify right side
    30,128,849.60x = 1,218,484,668,800,262.25
  5. Step 5: Solve for x
    x = 1,218,484,668,800,262.25/30,128,849.60
  6. Step 6: Final answer
    x = 40,442,455.82

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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.