Home / 13,165,219.32-18,163,602.51-7,657,425

Finding the Fourth Proportional to 13,165,219.32, 18,163,602.51 and 7,657,425

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Solution

The fourth proportional to 13,165,219.32, 18,163,602.51 and 7,657,425 is: 10,564,687.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,165,219.32 : 18,163,602.51 = 7,657,425 : x
  2. Step 2: Convert to fraction form
    13,165,219.32/18,163,602.51 = 7,657,425/x
  3. Step 3: Cross multiply
    13,165,219.32x = 18,163,602.51 × 7,657,425
  4. Step 4: Simplify right side
    13,165,219.32x = 139,086,423,950,136.77
  5. Step 5: Solve for x
    x = 139,086,423,950,136.77/13,165,219.32
  6. Step 6: Final answer
    x = 10,564,687.19

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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.