Home / 8,535,140.42-11,791,756.14-7,156,346.36

Finding the Fourth Proportional to 8,535,140.42, 11,791,756.14 and 7,156,346.36

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Solution

The fourth proportional to 8,535,140.42, 11,791,756.14 and 7,156,346.36 is: 9,886,877.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,535,140.42 : 11,791,756.14 = 7,156,346.36 : x
  2. Step 2: Convert to fraction form
    8,535,140.42/11,791,756.14 = 7,156,346.36/x
  3. Step 3: Cross multiply
    8,535,140.42x = 11,791,756.14 × 7,156,346.36
  4. Step 4: Simplify right side
    8,535,140.42x = 84,385,891,130,496.66
  5. Step 5: Solve for x
    x = 84,385,891,130,496.66/8,535,140.42
  6. Step 6: Final answer
    x = 9,886,877.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.