Home / 28,272,429.10-42,408,643.65-10,097,146.90

Finding the Fourth Proportional to 28,272,429.10, 42,408,643.65 and 10,097,146.90

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Solution

The fourth proportional to 28,272,429.10, 42,408,643.65 and 10,097,146.90 is: 15,145,720.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,272,429.10 : 42,408,643.65 = 10,097,146.90 : x
  2. Step 2: Convert to fraction form
    28,272,429.10/42,408,643.65 = 10,097,146.90/x
  3. Step 3: Cross multiply
    28,272,429.10x = 42,408,643.65 × 10,097,146.90
  4. Step 4: Simplify right side
    28,272,429.10x = 428,206,304,763,802.19
  5. Step 5: Solve for x
    x = 428,206,304,763,802.19/28,272,429.10
  6. Step 6: Final answer
    x = 15,145,720.35

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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.