Home / 12,226,159.95-16,865,075.13-7,634,509.71

Finding the Fourth Proportional to 12,226,159.95, 16,865,075.13 and 7,634,509.71

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Solution

The fourth proportional to 12,226,159.95, 16,865,075.13 and 7,634,509.71 is: 10,531,236.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226,159.95 : 16,865,075.13 = 7,634,509.71 : x
  2. Step 2: Convert to fraction form
    12,226,159.95/16,865,075.13 = 7,634,509.71/x
  3. Step 3: Cross multiply
    12,226,159.95x = 16,865,075.13 × 7,634,509.71
  4. Step 4: Simplify right side
    12,226,159.95x = 128,756,579,839,864.50
  5. Step 5: Solve for x
    x = 128,756,579,839,864.50/12,226,159.95
  6. Step 6: Final answer
    x = 10,531,236.33

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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.