Home / 28,547,567.46-39,394,587.64-15,494,548.18

Finding the Fourth Proportional to 28,547,567.46, 39,394,587.64 and 15,494,548.18

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Solution

The fourth proportional to 28,547,567.46, 39,394,587.64 and 15,494,548.18 is: 21,381,903.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,547,567.46 : 39,394,587.64 = 15,494,548.18 : x
  2. Step 2: Convert to fraction form
    28,547,567.46/39,394,587.64 = 15,494,548.18/x
  3. Step 3: Cross multiply
    28,547,567.46x = 39,394,587.64 × 15,494,548.18
  4. Step 4: Simplify right side
    28,547,567.46x = 610,401,336,219,212.50
  5. Step 5: Solve for x
    x = 610,401,336,219,212.50/28,547,567.46
  6. Step 6: Final answer
    x = 21,381,903.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.