Home / 19,000,656.92-26,223,708.20-12,031,970.74

Finding the Fourth Proportional to 19,000,656.92, 26,223,708.20 and 12,031,970.74

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Solution

The fourth proportional to 19,000,656.92, 26,223,708.20 and 12,031,970.74 is: 16,605,893.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000,656.92 : 26,223,708.20 = 12,031,970.74 : x
  2. Step 2: Convert to fraction form
    19,000,656.92/26,223,708.20 = 12,031,970.74/x
  3. Step 3: Cross multiply
    19,000,656.92x = 26,223,708.20 × 12,031,970.74
  4. Step 4: Simplify right side
    19,000,656.92x = 315,522,889,756,698.06
  5. Step 5: Solve for x
    x = 315,522,889,756,698.06/19,000,656.92
  6. Step 6: Final answer
    x = 16,605,893.74

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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.