Home / 10,387,885.51-14,335,031.96-5,678,069.66

Finding the Fourth Proportional to 10,387,885.51, 14,335,031.96 and 5,678,069.66

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Solution

The fourth proportional to 10,387,885.51, 14,335,031.96 and 5,678,069.66 is: 7,835,599.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387,885.51 : 14,335,031.96 = 5,678,069.66 : x
  2. Step 2: Convert to fraction form
    10,387,885.51/14,335,031.96 = 5,678,069.66/x
  3. Step 3: Cross multiply
    10,387,885.51x = 14,335,031.96 × 5,678,069.66
  4. Step 4: Simplify right side
    10,387,885.51x = 81,395,309,966,640.34
  5. Step 5: Solve for x
    x = 81,395,309,966,640.34/10,387,885.51
  6. Step 6: Final answer
    x = 7,835,599.45

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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.