Home / 15,774,931-21,769,404.78-8,531,587

Finding the Fourth Proportional to 15,774,931, 21,769,404.78 and 8,531,587

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Solution

The fourth proportional to 15,774,931, 21,769,404.78 and 8,531,587 is: 11,773,590.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774,931 : 21,769,404.78 = 8,531,587 : x
  2. Step 2: Convert to fraction form
    15,774,931/21,769,404.78 = 8,531,587/x
  3. Step 3: Cross multiply
    15,774,931x = 21,769,404.78 × 8,531,587
  4. Step 4: Simplify right side
    15,774,931x = 185,727,570,818,785.88
  5. Step 5: Solve for x
    x = 185,727,570,818,785.88/15,774,931
  6. Step 6: Final answer
    x = 11,773,590.06

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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.