Home / 28,547,374.28-39,395,417.04-15,494,636.56

Finding the Fourth Proportional to 28,547,374.28, 39,395,417.04 and 15,494,636.56

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Solution

The fourth proportional to 28,547,374.28, 39,395,417.04 and 15,494,636.56 is: 21,382,620.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,547,374.28 : 39,395,417.04 = 15,494,636.56 : x
  2. Step 2: Convert to fraction form
    28,547,374.28/39,395,417.04 = 15,494,636.56/x
  3. Step 3: Cross multiply
    28,547,374.28x = 39,395,417.04 × 15,494,636.56
  4. Step 4: Simplify right side
    28,547,374.28x = 610,417,669,164,431
  5. Step 5: Solve for x
    x = 610,417,669,164,431/28,547,374.28
  6. Step 6: Final answer
    x = 21,382,620.45

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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.