Home / 14,024,279.80-21,030,198.90-6,447,345.40

Finding the Fourth Proportional to 14,024,279.80, 21,030,198.90 and 6,447,345.40

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Solution

The fourth proportional to 14,024,279.80, 21,030,198.90 and 6,447,345.40 is: 9,668,158.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,024,279.80 : 21,030,198.90 = 6,447,345.40 : x
  2. Step 2: Convert to fraction form
    14,024,279.80/21,030,198.90 = 6,447,345.40/x
  3. Step 3: Cross multiply
    14,024,279.80x = 21,030,198.90 × 6,447,345.40
  4. Step 4: Simplify right side
    14,024,279.80x = 135,588,956,139,000.06
  5. Step 5: Solve for x
    x = 135,588,956,139,000.06/14,024,279.80
  6. Step 6: Final answer
    x = 9,668,158.23

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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.