Home / 12,515,068.80-18,772,603.20-10,601,881.20

Finding the Fourth Proportional to 12,515,068.80, 18,772,603.20 and 10,601,881.20

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Solution

The fourth proportional to 12,515,068.80, 18,772,603.20 and 10,601,881.20 is: 15,902,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515,068.80 : 18,772,603.20 = 10,601,881.20 : x
  2. Step 2: Convert to fraction form
    12,515,068.80/18,772,603.20 = 10,601,881.20/x
  3. Step 3: Cross multiply
    12,515,068.80x = 18,772,603.20 × 10,601,881.20
  4. Step 4: Simplify right side
    12,515,068.80x = 199,024,908,941,139.81
  5. Step 5: Solve for x
    x = 199,024,908,941,139.81/12,515,068.80
  6. Step 6: Final answer
    x = 15,902,821.80

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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.