Home / 15,527,621.09-21,432,970.77-10,021,006.59

Finding the Fourth Proportional to 15,527,621.09, 21,432,970.77 and 10,021,006.59

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Solution

The fourth proportional to 15,527,621.09, 21,432,970.77 and 10,021,006.59 is: 13,832,121.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,527,621.09 : 21,432,970.77 = 10,021,006.59 : x
  2. Step 2: Convert to fraction form
    15,527,621.09/21,432,970.77 = 10,021,006.59/x
  3. Step 3: Cross multiply
    15,527,621.09x = 21,432,970.77 × 10,021,006.59
  4. Step 4: Simplify right side
    15,527,621.09x = 214,779,941,329,447.38
  5. Step 5: Solve for x
    x = 214,779,941,329,447.38/15,527,621.09
  6. Step 6: Final answer
    x = 13,832,121.49

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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.