Home / 10,888,915.40-16,314,710.70-7,100,448.20

Finding the Fourth Proportional to 10,888,915.40, 16,314,710.70 and 7,100,448.20

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Solution

The fourth proportional to 10,888,915.40, 16,314,710.70 and 7,100,448.20 is: 10,638,502.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888,915.40 : 16,314,710.70 = 7,100,448.20 : x
  2. Step 2: Convert to fraction form
    10,888,915.40/16,314,710.70 = 7,100,448.20/x
  3. Step 3: Cross multiply
    10,888,915.40x = 16,314,710.70 × 7,100,448.20
  4. Step 4: Simplify right side
    10,888,915.40x = 115,841,758,223,335.73
  5. Step 5: Solve for x
    x = 115,841,758,223,335.73/10,888,915.40
  6. Step 6: Final answer
    x = 10,638,502.91

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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.