Home / 7,118,051.20-10,652,193.60-6,520,854.40

Finding the Fourth Proportional to 7,118,051.20, 10,652,193.60 and 6,520,854.40

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Solution

The fourth proportional to 7,118,051.20, 10,652,193.60 and 6,520,854.40 is: 9,758,486.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118,051.20 : 10,652,193.60 = 6,520,854.40 : x
  2. Step 2: Convert to fraction form
    7,118,051.20/10,652,193.60 = 6,520,854.40/x
  3. Step 3: Cross multiply
    7,118,051.20x = 10,652,193.60 × 6,520,854.40
  4. Step 4: Simplify right side
    7,118,051.20x = 69,461,403,506,211.84
  5. Step 5: Solve for x
    x = 69,461,403,506,211.84/7,118,051.20
  6. Step 6: Final answer
    x = 9,758,486.07

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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.