Home / 15,219,323.63-21,003,988.47-8,345,134.30

Finding the Fourth Proportional to 15,219,323.63, 21,003,988.47 and 8,345,134.30

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Solution

The fourth proportional to 15,219,323.63, 21,003,988.47 and 8,345,134.30 is: 11,517,010.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,219,323.63 : 21,003,988.47 = 8,345,134.30 : x
  2. Step 2: Convert to fraction form
    15,219,323.63/21,003,988.47 = 8,345,134.30/x
  3. Step 3: Cross multiply
    15,219,323.63x = 21,003,988.47 × 8,345,134.30
  4. Step 4: Simplify right side
    15,219,323.63x = 175,281,104,617,801.50
  5. Step 5: Solve for x
    x = 175,281,104,617,801.50/15,219,323.63
  6. Step 6: Final answer
    x = 11,517,010.14

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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.