Home / 15,219,598.02-21,002,487.93-8,343,929.22

Finding the Fourth Proportional to 15,219,598.02, 21,002,487.93 and 8,343,929.22

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Solution

The fourth proportional to 15,219,598.02, 21,002,487.93 and 8,343,929.22 is: 11,514,316.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,219,598.02 : 21,002,487.93 = 8,343,929.22 : x
  2. Step 2: Convert to fraction form
    15,219,598.02/21,002,487.93 = 8,343,929.22/x
  3. Step 3: Cross multiply
    15,219,598.02x = 21,002,487.93 × 8,343,929.22
  4. Step 4: Simplify right side
    15,219,598.02x = 175,243,272,731,824.31
  5. Step 5: Solve for x
    x = 175,243,272,731,824.31/15,219,598.02
  6. Step 6: Final answer
    x = 11,514,316.77

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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.