Home / 9,154,537.80-13,731,806.70-5,123,459.40

Finding the Fourth Proportional to 9,154,537.80, 13,731,806.70 and 5,123,459.40

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Solution

The fourth proportional to 9,154,537.80, 13,731,806.70 and 5,123,459.40 is: 7,685,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,154,537.80 : 13,731,806.70 = 5,123,459.40 : x
  2. Step 2: Convert to fraction form
    9,154,537.80/13,731,806.70 = 5,123,459.40/x
  3. Step 3: Cross multiply
    9,154,537.80x = 13,731,806.70 × 5,123,459.40
  4. Step 4: Simplify right side
    9,154,537.80x = 70,354,354,116,097.98
  5. Step 5: Solve for x
    x = 70,354,354,116,097.98/9,154,537.80
  6. Step 6: Final answer
    x = 7,685,189.10

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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.