Home / 10,303,329.60-15,454,994.40-9,134,159.40

Finding the Fourth Proportional to 10,303,329.60, 15,454,994.40 and 9,134,159.40

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Solution

The fourth proportional to 10,303,329.60, 15,454,994.40 and 9,134,159.40 is: 13,701,239.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303,329.60 : 15,454,994.40 = 9,134,159.40 : x
  2. Step 2: Convert to fraction form
    10,303,329.60/15,454,994.40 = 9,134,159.40/x
  3. Step 3: Cross multiply
    10,303,329.60x = 15,454,994.40 × 9,134,159.40
  4. Step 4: Simplify right side
    10,303,329.60x = 141,168,382,375,707.38
  5. Step 5: Solve for x
    x = 141,168,382,375,707.38/10,303,329.60
  6. Step 6: Final answer
    x = 13,701,239.10

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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.