Home / 13,557,083.76-18,708,700.04-7,362,070.92

Finding the Fourth Proportional to 13,557,083.76, 18,708,700.04 and 7,362,070.92

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Solution

The fourth proportional to 13,557,083.76, 18,708,700.04 and 7,362,070.92 is: 10,159,616.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557,083.76 : 18,708,700.04 = 7,362,070.92 : x
  2. Step 2: Convert to fraction form
    13,557,083.76/18,708,700.04 = 7,362,070.92/x
  3. Step 3: Cross multiply
    13,557,083.76x = 18,708,700.04 × 7,362,070.92
  4. Step 4: Simplify right side
    13,557,083.76x = 137,734,776,515,486.83
  5. Step 5: Solve for x
    x = 137,734,776,515,486.83/13,557,083.76
  6. Step 6: Final answer
    x = 10,159,616.84

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1.5x scale

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.