Home / 19,391,129.84-26,759,941.02-10,689,613.76

Finding the Fourth Proportional to 19,391,129.84, 26,759,941.02 and 10,689,613.76

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Solution

The fourth proportional to 19,391,129.84, 26,759,941.02 and 10,689,613.76 is: 14,751,767.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391,129.84 : 26,759,941.02 = 10,689,613.76 : x
  2. Step 2: Convert to fraction form
    19,391,129.84/26,759,941.02 = 10,689,613.76/x
  3. Step 3: Cross multiply
    19,391,129.84x = 26,759,941.02 × 10,689,613.76
  4. Step 4: Simplify right side
    19,391,129.84x = 286,053,433,811,080.25
  5. Step 5: Solve for x
    x = 286,053,433,811,080.25/19,391,129.84
  6. Step 6: Final answer
    x = 14,751,767.23

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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.