Home / 5,913,743.40-8,870,615.10-5,316,546.60

Finding the Fourth Proportional to 5,913,743.40, 8,870,615.10 and 5,316,546.60

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Solution

The fourth proportional to 5,913,743.40, 8,870,615.10 and 5,316,546.60 is: 7,974,819.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913,743.40 : 8,870,615.10 = 5,316,546.60 : x
  2. Step 2: Convert to fraction form
    5,913,743.40/8,870,615.10 = 5,316,546.60/x
  3. Step 3: Cross multiply
    5,913,743.40x = 8,870,615.10 × 5,316,546.60
  4. Step 4: Simplify right side
    5,913,743.40x = 47,161,038,549,813.66
  5. Step 5: Solve for x
    x = 47,161,038,549,813.66/5,913,743.40
  6. Step 6: Final answer
    x = 7,974,819.90

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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.