Home / 10,099,915.92-13,928,653.08-7,895,070

Finding the Fourth Proportional to 10,099,915.92, 13,928,653.08 and 7,895,070

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Solution

The fourth proportional to 10,099,915.92, 13,928,653.08 and 7,895,070 is: 10,887,980.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,099,915.92 : 13,928,653.08 = 7,895,070 : x
  2. Step 2: Convert to fraction form
    10,099,915.92/13,928,653.08 = 7,895,070/x
  3. Step 3: Cross multiply
    10,099,915.92x = 13,928,653.08 × 7,895,070
  4. Step 4: Simplify right side
    10,099,915.92x = 109,967,691,072,315.59
  5. Step 5: Solve for x
    x = 109,967,691,072,315.59/10,099,915.92
  6. Step 6: Final answer
    x = 10,887,980.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.