Home / 30,309,886.43-45,444,077.74-10,878,681.20

Finding the Fourth Proportional to 30,309,886.43, 45,444,077.74 and 10,878,681.20

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Solution

The fourth proportional to 30,309,886.43, 45,444,077.74 and 10,878,681.20 is: 16,310,573.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,309,886.43 : 45,444,077.74 = 10,878,681.20 : x
  2. Step 2: Convert to fraction form
    30,309,886.43/45,444,077.74 = 10,878,681.20/x
  3. Step 3: Cross multiply
    30,309,886.43x = 45,444,077.74 × 10,878,681.20
  4. Step 4: Simplify right side
    30,309,886.43x = 494,371,634,107,083.06
  5. Step 5: Solve for x
    x = 494,371,634,107,083.06/30,309,886.43
  6. Step 6: Final answer
    x = 16,310,573.63

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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.