Home / 12,458,421.40-18,687,632.10-12,248,469.40

Finding the Fourth Proportional to 12,458,421.40, 18,687,632.10 and 12,248,469.40

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Solution

The fourth proportional to 12,458,421.40, 18,687,632.10 and 12,248,469.40 is: 18,372,704.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,458,421.40 : 18,687,632.10 = 12,248,469.40 : x
  2. Step 2: Convert to fraction form
    12,458,421.40/18,687,632.10 = 12,248,469.40/x
  3. Step 3: Cross multiply
    12,458,421.40x = 18,687,632.10 × 12,248,469.40
  4. Step 4: Simplify right side
    12,458,421.40x = 228,894,889,935,307.75
  5. Step 5: Solve for x
    x = 228,894,889,935,307.75/12,458,421.40
  6. Step 6: Final answer
    x = 18,372,704.10

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1.5x scale

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.