Home / 12,698,300.17-17,523,704.60-6,897,178.86

Finding the Fourth Proportional to 12,698,300.17, 17,523,704.60 and 6,897,178.86

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Solution

The fourth proportional to 12,698,300.17, 17,523,704.60 and 6,897,178.86 is: 9,518,134.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,698,300.17 : 17,523,704.60 = 6,897,178.86 : x
  2. Step 2: Convert to fraction form
    12,698,300.17/17,523,704.60 = 6,897,178.86/x
  3. Step 3: Cross multiply
    12,698,300.17x = 17,523,704.60 × 6,897,178.86
  4. Step 4: Simplify right side
    12,698,300.17x = 120,864,124,916,004.77
  5. Step 5: Solve for x
    x = 120,864,124,916,004.77/12,698,300.17
  6. Step 6: Final answer
    x = 9,518,134.18

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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.