Home / 19,423,066.40-29,134,599.60-13,376,448.80

Finding the Fourth Proportional to 19,423,066.40, 29,134,599.60 and 13,376,448.80

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Solution

The fourth proportional to 19,423,066.40, 29,134,599.60 and 13,376,448.80 is: 20,064,673.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423,066.40 : 29,134,599.60 = 13,376,448.80 : x
  2. Step 2: Convert to fraction form
    19,423,066.40/29,134,599.60 = 13,376,448.80/x
  3. Step 3: Cross multiply
    19,423,066.40x = 29,134,599.60 × 13,376,448.80
  4. Step 4: Simplify right side
    19,423,066.40x = 389,717,479,857,900.50
  5. Step 5: Solve for x
    x = 389,717,479,857,900.50/19,423,066.40
  6. Step 6: Final answer
    x = 20,064,673.20

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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.