Home / 30,587,429.20-45,881,143.80-16,982,539.60

Finding the Fourth Proportional to 30,587,429.20, 45,881,143.80 and 16,982,539.60

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Solution

The fourth proportional to 30,587,429.20, 45,881,143.80 and 16,982,539.60 is: 25,473,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,587,429.20 : 45,881,143.80 = 16,982,539.60 : x
  2. Step 2: Convert to fraction form
    30,587,429.20/45,881,143.80 = 16,982,539.60/x
  3. Step 3: Cross multiply
    30,587,429.20x = 45,881,143.80 × 16,982,539.60
  4. Step 4: Simplify right side
    30,587,429.20x = 779,178,341,476,794.50
  5. Step 5: Solve for x
    x = 779,178,341,476,794.50/30,587,429.20
  6. Step 6: Final answer
    x = 25,473,809.40

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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.