Home / 14,129,486.66-19,501,730.51-8,621,681.61

Finding the Fourth Proportional to 14,129,486.66, 19,501,730.51 and 8,621,681.61

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Solution

The fourth proportional to 14,129,486.66, 19,501,730.51 and 8,621,681.61 is: 11,899,774.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129,486.66 : 19,501,730.51 = 8,621,681.61 : x
  2. Step 2: Convert to fraction form
    14,129,486.66/19,501,730.51 = 8,621,681.61/x
  3. Step 3: Cross multiply
    14,129,486.66x = 19,501,730.51 × 8,621,681.61
  4. Step 4: Simplify right side
    14,129,486.66x = 168,137,711,331,266
  5. Step 5: Solve for x
    x = 168,137,711,331,266/14,129,486.66
  6. Step 6: Final answer
    x = 11,899,774.95

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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.