Home / 12,144,031.40-18,216,047.10-3,168,583.40

Finding the Fourth Proportional to 12,144,031.40, 18,216,047.10 and 3,168,583.40

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Solution

The fourth proportional to 12,144,031.40, 18,216,047.10 and 3,168,583.40 is: 4,752,875.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,144,031.40 : 18,216,047.10 = 3,168,583.40 : x
  2. Step 2: Convert to fraction form
    12,144,031.40/18,216,047.10 = 3,168,583.40/x
  3. Step 3: Cross multiply
    12,144,031.40x = 18,216,047.10 × 3,168,583.40
  4. Step 4: Simplify right side
    12,144,031.40x = 57,719,064,454,678.14
  5. Step 5: Solve for x
    x = 57,719,064,454,678.14/12,144,031.40
  6. Step 6: Final answer
    x = 4,752,875.10

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1.5x scale

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.