Home / 15,016,547.50-20,739,942.75-10,179,253.42

Finding the Fourth Proportional to 15,016,547.50, 20,739,942.75 and 10,179,253.42

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Solution

The fourth proportional to 15,016,547.50, 20,739,942.75 and 10,179,253.42 is: 14,058,966.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,016,547.50 : 20,739,942.75 = 10,179,253.42 : x
  2. Step 2: Convert to fraction form
    15,016,547.50/20,739,942.75 = 10,179,253.42/x
  3. Step 3: Cross multiply
    15,016,547.50x = 20,739,942.75 × 10,179,253.42
  4. Step 4: Simplify right side
    15,016,547.50x = 211,117,133,168,541.72
  5. Step 5: Solve for x
    x = 211,117,133,168,541.72/15,016,547.50
  6. Step 6: Final answer
    x = 14,058,966.16

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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.