Home / 19,954,389.60-29,931,584.40-7,175,311.20

Finding the Fourth Proportional to 19,954,389.60, 29,931,584.40 and 7,175,311.20

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Solution

The fourth proportional to 19,954,389.60, 29,931,584.40 and 7,175,311.20 is: 10,762,966.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,954,389.60 : 29,931,584.40 = 7,175,311.20 : x
  2. Step 2: Convert to fraction form
    19,954,389.60/29,931,584.40 = 7,175,311.20/x
  3. Step 3: Cross multiply
    19,954,389.60x = 29,931,584.40 × 7,175,311.20
  4. Step 4: Simplify right side
    19,954,389.60x = 214,768,432,779,065.28
  5. Step 5: Solve for x
    x = 214,768,432,779,065.28/19,954,389.60
  6. Step 6: Final answer
    x = 10,762,966.80

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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.