Home / 30,374,448.30-45,561,672.45-9,099,312.30

Finding the Fourth Proportional to 30,374,448.30, 45,561,672.45 and 9,099,312.30

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Solution

The fourth proportional to 30,374,448.30, 45,561,672.45 and 9,099,312.30 is: 13,648,968.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,374,448.30 : 45,561,672.45 = 9,099,312.30 : x
  2. Step 2: Convert to fraction form
    30,374,448.30/45,561,672.45 = 9,099,312.30/x
  3. Step 3: Cross multiply
    30,374,448.30x = 45,561,672.45 × 9,099,312.30
  4. Step 4: Simplify right side
    30,374,448.30x = 414,579,886,532,856.19
  5. Step 5: Solve for x
    x = 414,579,886,532,856.19/30,374,448.30
  6. Step 6: Final answer
    x = 13,648,968.45

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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.