Home / 10,531,019.40-15,768,144-6,878,704.92

Finding the Fourth Proportional to 10,531,019.40, 15,768,144 and 6,878,704.92

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Solution

The fourth proportional to 10,531,019.40, 15,768,144 and 6,878,704.92 is: 10,299,516.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531,019.40 : 15,768,144 = 6,878,704.92 : x
  2. Step 2: Convert to fraction form
    10,531,019.40/15,768,144 = 6,878,704.92/x
  3. Step 3: Cross multiply
    10,531,019.40x = 15,768,144 × 6,878,704.92
  4. Step 4: Simplify right side
    10,531,019.40x = 108,464,409,712,068.48
  5. Step 5: Solve for x
    x = 108,464,409,712,068.48/10,531,019.40
  6. Step 6: Final answer
    x = 10,299,516.66

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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.