Home / 14,316,646.79-19,756,806.46-7,790,163.82

Finding the Fourth Proportional to 14,316,646.79, 19,756,806.46 and 7,790,163.82

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Solution

The fourth proportional to 14,316,646.79, 19,756,806.46 and 7,790,163.82 is: 10,750,335.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,316,646.79 : 19,756,806.46 = 7,790,163.82 : x
  2. Step 2: Convert to fraction form
    14,316,646.79/19,756,806.46 = 7,790,163.82/x
  3. Step 3: Cross multiply
    14,316,646.79x = 19,756,806.46 × 7,790,163.82
  4. Step 4: Simplify right side
    14,316,646.79x = 153,908,758,814,566.84
  5. Step 5: Solve for x
    x = 153,908,758,814,566.84/14,316,646.79
  6. Step 6: Final answer
    x = 10,750,335.68

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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.