Home / 12,875,570.34-17,768,272.64-7,074,337.79

Finding the Fourth Proportional to 12,875,570.34, 17,768,272.64 and 7,074,337.79

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Solution

The fourth proportional to 12,875,570.34, 17,768,272.64 and 7,074,337.79 is: 9,762,578.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875,570.34 : 17,768,272.64 = 7,074,337.79 : x
  2. Step 2: Convert to fraction form
    12,875,570.34/17,768,272.64 = 7,074,337.79/x
  3. Step 3: Cross multiply
    12,875,570.34x = 17,768,272.64 × 7,074,337.79
  4. Step 4: Simplify right side
    12,875,570.34x = 125,698,762,475,962.03
  5. Step 5: Solve for x
    x = 125,698,762,475,962.03/12,875,570.34
  6. Step 6: Final answer
    x = 9,762,578.21

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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.