Home / 14,071,483.60-21,107,225.40-7,339,022.80

Finding the Fourth Proportional to 14,071,483.60, 21,107,225.40 and 7,339,022.80

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Solution

The fourth proportional to 14,071,483.60, 21,107,225.40 and 7,339,022.80 is: 11,008,534.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,071,483.60 : 21,107,225.40 = 7,339,022.80 : x
  2. Step 2: Convert to fraction form
    14,071,483.60/21,107,225.40 = 7,339,022.80/x
  3. Step 3: Cross multiply
    14,071,483.60x = 21,107,225.40 × 7,339,022.80
  4. Step 4: Simplify right side
    14,071,483.60x = 154,906,408,455,339.09
  5. Step 5: Solve for x
    x = 154,906,408,455,339.09/14,071,483.60
  6. Step 6: Final answer
    x = 11,008,534.20

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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.