Home / 14,205,869.76-19,604,175.84-7,767,341.76

Finding the Fourth Proportional to 14,205,869.76, 19,604,175.84 and 7,767,341.76

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Solution

The fourth proportional to 14,205,869.76, 19,604,175.84 and 7,767,341.76 is: 10,718,972.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,205,869.76 : 19,604,175.84 = 7,767,341.76 : x
  2. Step 2: Convert to fraction form
    14,205,869.76/19,604,175.84 = 7,767,341.76/x
  3. Step 3: Cross multiply
    14,205,869.76x = 19,604,175.84 × 7,767,341.76
  4. Step 4: Simplify right side
    14,205,869.76x = 152,272,333,672,415.06
  5. Step 5: Solve for x
    x = 152,272,333,672,415.06/14,205,869.76
  6. Step 6: Final answer
    x = 10,718,972.95

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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.