Home / 6,642,755.40-9,964,133.10-2,155,031.40

Finding the Fourth Proportional to 6,642,755.40, 9,964,133.10 and 2,155,031.40

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Solution

The fourth proportional to 6,642,755.40, 9,964,133.10 and 2,155,031.40 is: 3,232,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,755.40 : 9,964,133.10 = 2,155,031.40 : x
  2. Step 2: Convert to fraction form
    6,642,755.40/9,964,133.10 = 2,155,031.40/x
  3. Step 3: Cross multiply
    6,642,755.40x = 9,964,133.10 × 2,155,031.40
  4. Step 4: Simplify right side
    6,642,755.40x = 21,473,019,704,279.34
  5. Step 5: Solve for x
    x = 21,473,019,704,279.34/6,642,755.40
  6. Step 6: Final answer
    x = 3,232,547.10

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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.