Home / 8,302,430.40-12,453,645.60-5,316,446.40

Finding the Fourth Proportional to 8,302,430.40, 12,453,645.60 and 5,316,446.40

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Solution

The fourth proportional to 8,302,430.40, 12,453,645.60 and 5,316,446.40 is: 7,974,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302,430.40 : 12,453,645.60 = 5,316,446.40 : x
  2. Step 2: Convert to fraction form
    8,302,430.40/12,453,645.60 = 5,316,446.40/x
  3. Step 3: Cross multiply
    8,302,430.40x = 12,453,645.60 × 5,316,446.40
  4. Step 4: Simplify right side
    8,302,430.40x = 66,209,139,316,995.84
  5. Step 5: Solve for x
    x = 66,209,139,316,995.84/8,302,430.40
  6. Step 6: Final answer
    x = 7,974,669.60

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Similar ratio
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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.