Home / 14,016,785.40-21,021,030.90-5,492,215.80

Finding the Fourth Proportional to 14,016,785.40, 21,021,030.90 and 5,492,215.80

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Solution

The fourth proportional to 14,016,785.40, 21,021,030.90 and 5,492,215.80 is: 8,236,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,016,785.40 : 21,021,030.90 = 5,492,215.80 : x
  2. Step 2: Convert to fraction form
    14,016,785.40/21,021,030.90 = 5,492,215.80/x
  3. Step 3: Cross multiply
    14,016,785.40x = 21,021,030.90 × 5,492,215.80
  4. Step 4: Simplify right side
    14,016,785.40x = 115,452,038,041,268.20
  5. Step 5: Solve for x
    x = 115,452,038,041,268.20/14,016,785.40
  6. Step 6: Final answer
    x = 8,236,698.70

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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.