Home / 9,125,870.40-13,689,518.40-4,077,691.20

Finding the Fourth Proportional to 9,125,870.40, 13,689,518.40 and 4,077,691.20

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Solution

The fourth proportional to 9,125,870.40, 13,689,518.40 and 4,077,691.20 is: 6,116,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125,870.40 : 13,689,518.40 = 4,077,691.20 : x
  2. Step 2: Convert to fraction form
    9,125,870.40/13,689,518.40 = 4,077,691.20/x
  3. Step 3: Cross multiply
    9,125,870.40x = 13,689,518.40 × 4,077,691.20
  4. Step 4: Simplify right side
    9,125,870.40x = 55,821,628,711,918.09
  5. Step 5: Solve for x
    x = 55,821,628,711,918.09/9,125,870.40
  6. Step 6: Final answer
    x = 6,116,855.30

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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.