Home / 15,587,533.50-21,510,424.53-8,712,655.26

Finding the Fourth Proportional to 15,587,533.50, 21,510,424.53 and 8,712,655.26

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Solution

The fourth proportional to 15,587,533.50, 21,510,424.53 and 8,712,655.26 is: 12,023,256.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,587,533.50 : 21,510,424.53 = 8,712,655.26 : x
  2. Step 2: Convert to fraction form
    15,587,533.50/21,510,424.53 = 8,712,655.26/x
  3. Step 3: Cross multiply
    15,587,533.50x = 21,510,424.53 × 8,712,655.26
  4. Step 4: Simplify right side
    15,587,533.50x = 187,412,913,345,473.44
  5. Step 5: Solve for x
    x = 187,412,913,345,473.44/15,587,533.50
  6. Step 6: Final answer
    x = 12,023,256.49

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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.