Home / 8,559,729.81-11,811,165.63-5,205,184.81

Finding the Fourth Proportional to 8,559,729.81, 11,811,165.63 and 5,205,184.81

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Solution

The fourth proportional to 8,559,729.81, 11,811,165.63 and 5,205,184.81 is: 7,182,387.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,559,729.81 : 11,811,165.63 = 5,205,184.81 : x
  2. Step 2: Convert to fraction form
    8,559,729.81/11,811,165.63 = 5,205,184.81/x
  3. Step 3: Cross multiply
    8,559,729.81x = 11,811,165.63 × 5,205,184.81
  4. Step 4: Simplify right side
    8,559,729.81x = 61,479,299,925,670.08
  5. Step 5: Solve for x
    x = 61,479,299,925,670.08/8,559,729.81
  6. Step 6: Final answer
    x = 7,182,387.91

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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.