Home / 7,771,547.28-11,658,297.48-4,172,367.12

Finding the Fourth Proportional to 7,771,547.28, 11,658,297.48 and 4,172,367.12

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Solution

The fourth proportional to 7,771,547.28, 11,658,297.48 and 4,172,367.12 is: 6,259,074.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771,547.28 : 11,658,297.48 = 4,172,367.12 : x
  2. Step 2: Convert to fraction form
    7,771,547.28/11,658,297.48 = 4,172,367.12/x
  3. Step 3: Cross multiply
    7,771,547.28x = 11,658,297.48 × 4,172,367.12
  4. Step 4: Simplify right side
    7,771,547.28x = 48,642,697,080,730.86
  5. Step 5: Solve for x
    x = 48,642,697,080,730.86/7,771,547.28
  6. Step 6: Final answer
    x = 6,259,074.97

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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.