Home / 15,965,740.40-23,921,054.40-7,428,567.20

Finding the Fourth Proportional to 15,965,740.40, 23,921,054.40 and 7,428,567.20

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Solution

The fourth proportional to 15,965,740.40, 23,921,054.40 and 7,428,567.20 is: 11,130,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,965,740.40 : 23,921,054.40 = 7,428,567.20 : x
  2. Step 2: Convert to fraction form
    15,965,740.40/23,921,054.40 = 7,428,567.20/x
  3. Step 3: Cross multiply
    15,965,740.40x = 23,921,054.40 × 7,428,567.20
  4. Step 4: Simplify right side
    15,965,740.40x = 177,699,160,105,255.69
  5. Step 5: Solve for x
    x = 177,699,160,105,255.69/15,965,740.40
  6. Step 6: Final answer
    x = 11,130,029.40

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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.