Home / 10,532,419.20-15,798,628.80-9,972,547.20

Finding the Fourth Proportional to 10,532,419.20, 15,798,628.80 and 9,972,547.20

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Solution

The fourth proportional to 10,532,419.20, 15,798,628.80 and 9,972,547.20 is: 14,958,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,532,419.20 : 15,798,628.80 = 9,972,547.20 : x
  2. Step 2: Convert to fraction form
    10,532,419.20/15,798,628.80 = 9,972,547.20/x
  3. Step 3: Cross multiply
    10,532,419.20x = 15,798,628.80 × 9,972,547.20
  4. Step 4: Simplify right side
    10,532,419.20x = 157,552,571,403,279.34
  5. Step 5: Solve for x
    x = 157,552,571,403,279.34/10,532,419.20
  6. Step 6: Final answer
    x = 14,958,820.80

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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.