Home / 28,139,636.44-38,832,681.18-15,262,580.44

Finding the Fourth Proportional to 28,139,636.44, 38,832,681.18 and 15,262,580.44

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Solution

The fourth proportional to 28,139,636.44, 38,832,681.18 and 15,262,580.44 is: 21,062,351.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,139,636.44 : 38,832,681.18 = 15,262,580.44 : x
  2. Step 2: Convert to fraction form
    28,139,636.44/38,832,681.18 = 15,262,580.44/x
  3. Step 3: Cross multiply
    28,139,636.44x = 38,832,681.18 × 15,262,580.44
  4. Step 4: Simplify right side
    28,139,636.44x = 592,686,920,210,624.12
  5. Step 5: Solve for x
    x = 592,686,920,210,624.12/28,139,636.44
  6. Step 6: Final answer
    x = 21,062,351.73

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1.5x scale

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.