Home / 13,746,631.86-18,970,364.52-7,552,079.91

Finding the Fourth Proportional to 13,746,631.86, 18,970,364.52 and 7,552,079.91

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Solution

The fourth proportional to 13,746,631.86, 18,970,364.52 and 7,552,079.91 is: 10,421,877.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746,631.86 : 18,970,364.52 = 7,552,079.91 : x
  2. Step 2: Convert to fraction form
    13,746,631.86/18,970,364.52 = 7,552,079.91/x
  3. Step 3: Cross multiply
    13,746,631.86x = 18,970,364.52 × 7,552,079.91
  4. Step 4: Simplify right side
    13,746,631.86x = 143,265,708,776,868.78
  5. Step 5: Solve for x
    x = 143,265,708,776,868.78/13,746,631.86
  6. Step 6: Final answer
    x = 10,421,877.17

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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.