Home / 13,421,594.04-18,520,661.98-7,540,767.76

Finding the Fourth Proportional to 13,421,594.04, 18,520,661.98 and 7,540,767.76

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Solution

The fourth proportional to 13,421,594.04, 18,520,661.98 and 7,540,767.76 is: 10,405,620.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,421,594.04 : 18,520,661.98 = 7,540,767.76 : x
  2. Step 2: Convert to fraction form
    13,421,594.04/18,520,661.98 = 7,540,767.76/x
  3. Step 3: Cross multiply
    13,421,594.04x = 18,520,661.98 × 7,540,767.76
  4. Step 4: Simplify right side
    13,421,594.04x = 139,660,010,752,641.77
  5. Step 5: Solve for x
    x = 139,660,010,752,641.77/13,421,594.04
  6. Step 6: Final answer
    x = 10,405,620.25

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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.