Home / 10,159,506.75-14,020,128.35-5,513,291.74

Finding the Fourth Proportional to 10,159,506.75, 14,020,128.35 and 5,513,291.74

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Solution

The fourth proportional to 10,159,506.75, 14,020,128.35 and 5,513,291.74 is: 7,608,347.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,159,506.75 : 14,020,128.35 = 5,513,291.74 : x
  2. Step 2: Convert to fraction form
    10,159,506.75/14,020,128.35 = 5,513,291.74/x
  3. Step 3: Cross multiply
    10,159,506.75x = 14,020,128.35 × 5,513,291.74
  4. Step 4: Simplify right side
    10,159,506.75x = 77,297,057,825,794.83
  5. Step 5: Solve for x
    x = 77,297,057,825,794.83/10,159,506.75
  6. Step 6: Final answer
    x = 7,608,347.50

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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.