Home / 27,870,836.95-38,462,364.23-15,312,053.44

Finding the Fourth Proportional to 27,870,836.95, 38,462,364.23 and 15,312,053.44

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Solution

The fourth proportional to 27,870,836.95, 38,462,364.23 and 15,312,053.44 is: 21,130,968.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,870,836.95 : 38,462,364.23 = 15,312,053.44 : x
  2. Step 2: Convert to fraction form
    27,870,836.95/38,462,364.23 = 15,312,053.44/x
  3. Step 3: Cross multiply
    27,870,836.95x = 38,462,364.23 × 15,312,053.44
  4. Step 4: Simplify right side
    27,870,836.95x = 588,937,776,345,788.25
  5. Step 5: Solve for x
    x = 588,937,776,345,788.25/27,870,836.95
  6. Step 6: Final answer
    x = 21,130,968.45

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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.