Home / 15,572,039.40-21,333,339.36-14,989,834.08

Finding the Fourth Proportional to 15,572,039.40, 21,333,339.36 and 14,989,834.08

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Solution

The fourth proportional to 15,572,039.40, 21,333,339.36 and 14,989,834.08 is: 20,535,731.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,572,039.40 : 21,333,339.36 = 14,989,834.08 : x
  2. Step 2: Convert to fraction form
    15,572,039.40/21,333,339.36 = 14,989,834.08/x
  3. Step 3: Cross multiply
    15,572,039.40x = 21,333,339.36 × 14,989,834.08
  4. Step 4: Simplify right side
    15,572,039.40x = 319,783,217,378,733.38
  5. Step 5: Solve for x
    x = 319,783,217,378,733.38/15,572,039.40
  6. Step 6: Final answer
    x = 20,535,731.33

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.