Home / 21,360,719.06-29,470,541.10-12,066,931.34

Finding the Fourth Proportional to 21,360,719.06, 29,470,541.10 and 12,066,931.34

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Solution

The fourth proportional to 21,360,719.06, 29,470,541.10 and 12,066,931.34 is: 16,648,268.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,360,719.06 : 29,470,541.10 = 12,066,931.34 : x
  2. Step 2: Convert to fraction form
    21,360,719.06/29,470,541.10 = 12,066,931.34/x
  3. Step 3: Cross multiply
    21,360,719.06x = 29,470,541.10 × 12,066,931.34
  4. Step 4: Simplify right side
    21,360,719.06x = 355,618,996,006,348.06
  5. Step 5: Solve for x
    x = 355,618,996,006,348.06/21,360,719.06
  6. Step 6: Final answer
    x = 16,648,268.96

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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.