Home / 12,944,030.40-19,428,487.20-6,561,489.60

Finding the Fourth Proportional to 12,944,030.40, 19,428,487.20 and 6,561,489.60

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Solution

The fourth proportional to 12,944,030.40, 19,428,487.20 and 6,561,489.60 is: 9,848,541.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944,030.40 : 19,428,487.20 = 6,561,489.60 : x
  2. Step 2: Convert to fraction form
    12,944,030.40/19,428,487.20 = 6,561,489.60/x
  3. Step 3: Cross multiply
    12,944,030.40x = 19,428,487.20 × 6,561,489.60
  4. Step 4: Simplify right side
    12,944,030.40x = 127,479,816,706,533.11
  5. Step 5: Solve for x
    x = 127,479,816,706,533.11/12,944,030.40
  6. Step 6: Final answer
    x = 9,848,541.20

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1.5x scale

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.