Home / 9,044,448.78-12,482,417.26-5,178,211.86

Finding the Fourth Proportional to 9,044,448.78, 12,482,417.26 and 5,178,211.86

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Solution

The fourth proportional to 9,044,448.78, 12,482,417.26 and 5,178,211.86 is: 7,146,549.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,044,448.78 : 12,482,417.26 = 5,178,211.86 : x
  2. Step 2: Convert to fraction form
    9,044,448.78/12,482,417.26 = 5,178,211.86/x
  3. Step 3: Cross multiply
    9,044,448.78x = 12,482,417.26 × 5,178,211.86
  4. Step 4: Simplify right side
    9,044,448.78x = 64,636,601,097,200.70
  5. Step 5: Solve for x
    x = 64,636,601,097,200.70/9,044,448.78
  6. Step 6: Final answer
    x = 7,146,549.52

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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.