Home / 6,516,918.60-9,778,877.10-2,730,784.20

Finding the Fourth Proportional to 6,516,918.60, 9,778,877.10 and 2,730,784.20

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Solution

The fourth proportional to 6,516,918.60, 9,778,877.10 and 2,730,784.20 is: 4,097,642.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516,918.60 : 9,778,877.10 = 2,730,784.20 : x
  2. Step 2: Convert to fraction form
    6,516,918.60/9,778,877.10 = 2,730,784.20/x
  3. Step 3: Cross multiply
    6,516,918.60x = 9,778,877.10 × 2,730,784.20
  4. Step 4: Simplify right side
    6,516,918.60x = 26,704,003,078,421.82
  5. Step 5: Solve for x
    x = 26,704,003,078,421.82/6,516,918.60
  6. Step 6: Final answer
    x = 4,097,642.57

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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.