Home / 18,531,925.65-25,574,013.18-10,159,280.64

Finding the Fourth Proportional to 18,531,925.65, 25,574,013.18 and 10,159,280.64

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Solution

The fourth proportional to 18,531,925.65, 25,574,013.18 and 10,159,280.64 is: 14,019,783.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531,925.65 : 25,574,013.18 = 10,159,280.64 : x
  2. Step 2: Convert to fraction form
    18,531,925.65/25,574,013.18 = 10,159,280.64/x
  3. Step 3: Cross multiply
    18,531,925.65x = 25,574,013.18 × 10,159,280.64
  4. Step 4: Simplify right side
    18,531,925.65x = 259,813,576,986,678.84
  5. Step 5: Solve for x
    x = 259,813,576,986,678.84/18,531,925.65
  6. Step 6: Final answer
    x = 14,019,783.04

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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.