Home / 14,020,091.40-21,030,137.10-7,642,799.40

Finding the Fourth Proportional to 14,020,091.40, 21,030,137.10 and 7,642,799.40

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Solution

The fourth proportional to 14,020,091.40, 21,030,137.10 and 7,642,799.40 is: 11,464,199.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020,091.40 : 21,030,137.10 = 7,642,799.40 : x
  2. Step 2: Convert to fraction form
    14,020,091.40/21,030,137.10 = 7,642,799.40/x
  3. Step 3: Cross multiply
    14,020,091.40x = 21,030,137.10 × 7,642,799.40
  4. Step 4: Simplify right side
    14,020,091.40x = 160,729,119,209,797.75
  5. Step 5: Solve for x
    x = 160,729,119,209,797.75/14,020,091.40
  6. Step 6: Final answer
    x = 11,464,199.10

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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.