Home / 21,712,837.82-32,570,304.15-7,139,434.66

Finding the Fourth Proportional to 21,712,837.82, 32,570,304.15 and 7,139,434.66

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Solution

The fourth proportional to 21,712,837.82, 32,570,304.15 and 7,139,434.66 is: 10,709,496.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,712,837.82 : 32,570,304.15 = 7,139,434.66 : x
  2. Step 2: Convert to fraction form
    21,712,837.82/32,570,304.15 = 7,139,434.66/x
  3. Step 3: Cross multiply
    21,712,837.82x = 32,570,304.15 × 7,139,434.66
  4. Step 4: Simplify right side
    21,712,837.82x = 232,533,558,280,598.94
  5. Step 5: Solve for x
    x = 232,533,558,280,598.94/21,712,837.82
  6. Step 6: Final answer
    x = 10,709,496.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.