Home / 10,368,019.20-15,552,028.80-7,344,710.40

Finding the Fourth Proportional to 10,368,019.20, 15,552,028.80 and 7,344,710.40

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Solution

The fourth proportional to 10,368,019.20, 15,552,028.80 and 7,344,710.40 is: 11,017,065.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,019.20 : 15,552,028.80 = 7,344,710.40 : x
  2. Step 2: Convert to fraction form
    10,368,019.20/15,552,028.80 = 7,344,710.40/x
  3. Step 3: Cross multiply
    10,368,019.20x = 15,552,028.80 × 7,344,710.40
  4. Step 4: Simplify right side
    10,368,019.20x = 114,225,147,668,459.53
  5. Step 5: Solve for x
    x = 114,225,147,668,459.53/10,368,019.20
  6. Step 6: Final answer
    x = 11,017,065.60

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Similar ratio
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1.5x scale

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.