Home / 12,457,952.10-18,686,928.15-12,457,952.10

Finding the Fourth Proportional to 12,457,952.10, 18,686,928.15 and 12,457,952.10

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Solution

The fourth proportional to 12,457,952.10, 18,686,928.15 and 12,457,952.10 is: 18,686,928.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,952.10 : 18,686,928.15 = 12,457,952.10 : x
  2. Step 2: Convert to fraction form
    12,457,952.10/18,686,928.15 = 12,457,952.10/x
  3. Step 3: Cross multiply
    12,457,952.10x = 18,686,928.15 × 12,457,952.10
  4. Step 4: Simplify right side
    12,457,952.10x = 232,800,855,788,841.59
  5. Step 5: Solve for x
    x = 232,800,855,788,841.59/12,457,952.10
  6. Step 6: Final answer
    x = 18,686,928.15

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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.