Home / 37,428,308.40-56,137,213.80-11,871,901.20

Finding the Fourth Proportional to 37,428,308.40, 56,137,213.80 and 11,871,901.20

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Solution

The fourth proportional to 37,428,308.40, 56,137,213.80 and 11,871,901.20 is: 17,806,186.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,428,308.40 : 56,137,213.80 = 11,871,901.20 : x
  2. Step 2: Convert to fraction form
    37,428,308.40/56,137,213.80 = 11,871,901.20/x
  3. Step 3: Cross multiply
    37,428,308.40x = 56,137,213.80 × 11,871,901.20
  4. Step 4: Simplify right side
    37,428,308.40x = 666,455,455,876,876.50
  5. Step 5: Solve for x
    x = 666,455,455,876,876.50/37,428,308.40
  6. Step 6: Final answer
    x = 17,806,186.93

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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.