Home / 12,072,001.56-16,655,394.06-7,487,437.20

Finding the Fourth Proportional to 12,072,001.56, 16,655,394.06 and 7,487,437.20

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Solution

The fourth proportional to 12,072,001.56, 16,655,394.06 and 7,487,437.20 is: 10,330,202.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072,001.56 : 16,655,394.06 = 7,487,437.20 : x
  2. Step 2: Convert to fraction form
    12,072,001.56/16,655,394.06 = 7,487,437.20/x
  3. Step 3: Cross multiply
    12,072,001.56x = 16,655,394.06 × 7,487,437.20
  4. Step 4: Simplify right side
    12,072,001.56x = 124,706,217,065,503.03
  5. Step 5: Solve for x
    x = 124,706,217,065,503.03/12,072,001.56
  6. Step 6: Final answer
    x = 10,330,202.20

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1.5x scale

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.