Home / 42,818,297.04-64,213,047.72-15,518,875.20

Finding the Fourth Proportional to 42,818,297.04, 64,213,047.72 and 15,518,875.20

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Solution

The fourth proportional to 42,818,297.04, 64,213,047.72 and 15,518,875.20 is: 23,273,094.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,818,297.04 : 64,213,047.72 = 15,518,875.20 : x
  2. Step 2: Convert to fraction form
    42,818,297.04/64,213,047.72 = 15,518,875.20/x
  3. Step 3: Cross multiply
    42,818,297.04x = 64,213,047.72 × 15,518,875.20
  4. Step 4: Simplify right side
    42,818,297.04x = 996,514,273,778,324.50
  5. Step 5: Solve for x
    x = 996,514,273,778,324.50/42,818,297.04
  6. Step 6: Final answer
    x = 23,273,094.51

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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.