Home / 9,730,736.28-13,431,218-6,425,443.60

Finding the Fourth Proportional to 9,730,736.28, 13,431,218 and 6,425,443.60

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Solution

The fourth proportional to 9,730,736.28, 13,431,218 and 6,425,443.60 is: 8,868,962.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,730,736.28 : 13,431,218 = 6,425,443.60 : x
  2. Step 2: Convert to fraction form
    9,730,736.28/13,431,218 = 6,425,443.60/x
  3. Step 3: Cross multiply
    9,730,736.28x = 13,431,218 × 6,425,443.60
  4. Step 4: Simplify right side
    9,730,736.28x = 86,301,533,671,148.70
  5. Step 5: Solve for x
    x = 86,301,533,671,148.70/9,730,736.28
  6. Step 6: Final answer
    x = 8,868,962.35

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Double scale
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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.