Home / 20,590,224.24-28,402,704-12,841,814.40

Finding the Fourth Proportional to 20,590,224.24, 28,402,704 and 12,841,814.40

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Solution

The fourth proportional to 20,590,224.24, 28,402,704 and 12,841,814.40 is: 17,714,340.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,590,224.24 : 28,402,704 = 12,841,814.40 : x
  2. Step 2: Convert to fraction form
    20,590,224.24/28,402,704 = 12,841,814.40/x
  3. Step 3: Cross multiply
    20,590,224.24x = 28,402,704 × 12,841,814.40
  4. Step 4: Simplify right side
    20,590,224.24x = 364,742,253,226,137.62
  5. Step 5: Solve for x
    x = 364,742,253,226,137.62/20,590,224.24
  6. Step 6: Final answer
    x = 17,714,340.99

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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.