Home / 12,897,590.34-19,358,506.53-6,753,981.65

Finding the Fourth Proportional to 12,897,590.34, 19,358,506.53 and 6,753,981.65

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Solution

The fourth proportional to 12,897,590.34, 19,358,506.53 and 6,753,981.65 is: 10,137,319.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,897,590.34 : 19,358,506.53 = 6,753,981.65 : x
  2. Step 2: Convert to fraction form
    12,897,590.34/19,358,506.53 = 6,753,981.65/x
  3. Step 3: Cross multiply
    12,897,590.34x = 19,358,506.53 × 6,753,981.65
  4. Step 4: Simplify right side
    12,897,590.34x = 130,746,997,923,421.45
  5. Step 5: Solve for x
    x = 130,746,997,923,421.45/12,897,590.34
  6. Step 6: Final answer
    x = 10,137,319.80

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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.