Home / 9,547,710.90-13,176,119.28-5,197,077.78

Finding the Fourth Proportional to 9,547,710.90, 13,176,119.28 and 5,197,077.78

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Solution

The fourth proportional to 9,547,710.90, 13,176,119.28 and 5,197,077.78 is: 7,172,118.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,547,710.90 : 13,176,119.28 = 5,197,077.78 : x
  2. Step 2: Convert to fraction form
    9,547,710.90/13,176,119.28 = 5,197,077.78/x
  3. Step 3: Cross multiply
    9,547,710.90x = 13,176,119.28 × 5,197,077.78
  4. Step 4: Simplify right side
    9,547,710.90x = 68,477,316,736,717.60
  5. Step 5: Solve for x
    x = 68,477,316,736,717.60/9,547,710.90
  6. Step 6: Final answer
    x = 7,172,118.79

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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.