Home / 19,123,748.43-26,390,002.91-10,421,734.20

Finding the Fourth Proportional to 19,123,748.43, 26,390,002.91 and 10,421,734.20

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Solution

The fourth proportional to 19,123,748.43, 26,390,002.91 and 10,421,734.20 is: 14,381,573.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123,748.43 : 26,390,002.91 = 10,421,734.20 : x
  2. Step 2: Convert to fraction form
    19,123,748.43/26,390,002.91 = 10,421,734.20/x
  3. Step 3: Cross multiply
    19,123,748.43x = 26,390,002.91 × 10,421,734.20
  4. Step 4: Simplify right side
    19,123,748.43x = 275,029,595,865,246.50
  5. Step 5: Solve for x
    x = 275,029,595,865,246.50/19,123,748.43
  6. Step 6: Final answer
    x = 14,381,573.62

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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.