Home / 12,070,881.60-18,106,322.40-6,402,177.60

Finding the Fourth Proportional to 12,070,881.60, 18,106,322.40 and 6,402,177.60

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Solution

The fourth proportional to 12,070,881.60, 18,106,322.40 and 6,402,177.60 is: 9,603,266.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070,881.60 : 18,106,322.40 = 6,402,177.60 : x
  2. Step 2: Convert to fraction form
    12,070,881.60/18,106,322.40 = 6,402,177.60/x
  3. Step 3: Cross multiply
    12,070,881.60x = 18,106,322.40 × 6,402,177.60
  4. Step 4: Simplify right side
    12,070,881.60x = 115,919,891,687,658.22
  5. Step 5: Solve for x
    x = 115,919,891,687,658.22/12,070,881.60
  6. Step 6: Final answer
    x = 9,603,266.40

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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.