Home / 28,817,693.32-39,780,248.16-19,537,973.32

Finding the Fourth Proportional to 28,817,693.32, 39,780,248.16 and 19,537,973.32

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Solution

The fourth proportional to 28,817,693.32, 39,780,248.16 and 19,537,973.32 is: 26,970,424.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817,693.32 : 39,780,248.16 = 19,537,973.32 : x
  2. Step 2: Convert to fraction form
    28,817,693.32/39,780,248.16 = 19,537,973.32/x
  3. Step 3: Cross multiply
    28,817,693.32x = 39,780,248.16 × 19,537,973.32
  4. Step 4: Simplify right side
    28,817,693.32x = 777,225,427,213,059
  5. Step 5: Solve for x
    x = 777,225,427,213,059/28,817,693.32
  6. Step 6: Final answer
    x = 26,970,424.68

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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.