Home / 8,371,428-11,549,653.71-5,274,228

Finding the Fourth Proportional to 8,371,428, 11,549,653.71 and 5,274,228

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Solution

The fourth proportional to 8,371,428, 11,549,653.71 and 5,274,228 is: 7,276,596.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,371,428 : 11,549,653.71 = 5,274,228 : x
  2. Step 2: Convert to fraction form
    8,371,428/11,549,653.71 = 5,274,228/x
  3. Step 3: Cross multiply
    8,371,428x = 11,549,653.71 × 5,274,228
  4. Step 4: Simplify right side
    8,371,428x = 60,915,506,987,585.88
  5. Step 5: Solve for x
    x = 60,915,506,987,585.88/8,371,428
  6. Step 6: Final answer
    x = 7,276,596.89

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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.