Home / 30,360,712.05-45,541,032.48-9,890,398.89

Finding the Fourth Proportional to 30,360,712.05, 45,541,032.48 and 9,890,398.89

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Solution

The fourth proportional to 30,360,712.05, 45,541,032.48 and 9,890,398.89 is: 14,835,586.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,360,712.05 : 45,541,032.48 = 9,890,398.89 : x
  2. Step 2: Convert to fraction form
    30,360,712.05/45,541,032.48 = 9,890,398.89/x
  3. Step 3: Cross multiply
    30,360,712.05x = 45,541,032.48 × 9,890,398.89
  4. Step 4: Simplify right side
    30,360,712.05x = 450,418,977,089,645.94
  5. Step 5: Solve for x
    x = 450,418,977,089,645.94/30,360,712.05
  6. Step 6: Final answer
    x = 14,835,586.74

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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.