Home / 17,382,953.60-26,074,430.40-12,903,977.60

Finding the Fourth Proportional to 17,382,953.60, 26,074,430.40 and 12,903,977.60

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Solution

The fourth proportional to 17,382,953.60, 26,074,430.40 and 12,903,977.60 is: 19,355,966.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,382,953.60 : 26,074,430.40 = 12,903,977.60 : x
  2. Step 2: Convert to fraction form
    17,382,953.60/26,074,430.40 = 12,903,977.60/x
  3. Step 3: Cross multiply
    17,382,953.60x = 26,074,430.40 × 12,903,977.60
  4. Step 4: Simplify right side
    17,382,953.60x = 336,463,865,814,359
  5. Step 5: Solve for x
    x = 336,463,865,814,359/17,382,953.60
  6. Step 6: Final answer
    x = 19,355,966.40

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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.