Home / 12,142,722.93-16,759,030.77-7,248,197.49

Finding the Fourth Proportional to 12,142,722.93, 16,759,030.77 and 7,248,197.49

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Solution

The fourth proportional to 12,142,722.93, 16,759,030.77 and 7,248,197.49 is: 10,003,750.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,142,722.93 : 16,759,030.77 = 7,248,197.49 : x
  2. Step 2: Convert to fraction form
    12,142,722.93/16,759,030.77 = 7,248,197.49/x
  3. Step 3: Cross multiply
    12,142,722.93x = 16,759,030.77 × 7,248,197.49
  4. Step 4: Simplify right side
    12,142,722.93x = 121,472,764,761,946.77
  5. Step 5: Solve for x
    x = 121,472,764,761,946.77/12,142,722.93
  6. Step 6: Final answer
    x = 10,003,750.02

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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.