Home / 30,360,589.60-45,540,848.71-9,890,275.68

Finding the Fourth Proportional to 30,360,589.60, 45,540,848.71 and 9,890,275.68

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Solution

The fourth proportional to 30,360,589.60, 45,540,848.71 and 9,890,275.68 is: 14,835,401.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,360,589.60 : 45,540,848.71 = 9,890,275.68 : x
  2. Step 2: Convert to fraction form
    30,360,589.60/45,540,848.71 = 9,890,275.68/x
  3. Step 3: Cross multiply
    30,360,589.60x = 45,540,848.71 × 9,890,275.68
  4. Step 4: Simplify right side
    30,360,589.60x = 450,411,548,443,072.38
  5. Step 5: Solve for x
    x = 450,411,548,443,072.38/30,360,589.60
  6. Step 6: Final answer
    x = 14,835,401.89

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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.