Home / 19,364,631.60-29,046,947.40-12,562,186.80

Finding the Fourth Proportional to 19,364,631.60, 29,046,947.40 and 12,562,186.80

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Solution

The fourth proportional to 19,364,631.60, 29,046,947.40 and 12,562,186.80 is: 18,843,280.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,364,631.60 : 29,046,947.40 = 12,562,186.80 : x
  2. Step 2: Convert to fraction form
    19,364,631.60/29,046,947.40 = 12,562,186.80/x
  3. Step 3: Cross multiply
    19,364,631.60x = 29,046,947.40 × 12,562,186.80
  4. Step 4: Simplify right side
    19,364,631.60x = 364,893,179,208,574.31
  5. Step 5: Solve for x
    x = 364,893,179,208,574.31/19,364,631.60
  6. Step 6: Final answer
    x = 18,843,280.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.