Home / 11,878,315.98-16,392,076.04-6,445,807.98

Finding the Fourth Proportional to 11,878,315.98, 16,392,076.04 and 6,445,807.98

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Solution

The fourth proportional to 11,878,315.98, 16,392,076.04 and 6,445,807.98 is: 8,895,215.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,878,315.98 : 16,392,076.04 = 6,445,807.98 : x
  2. Step 2: Convert to fraction form
    11,878,315.98/16,392,076.04 = 6,445,807.98/x
  3. Step 3: Cross multiply
    11,878,315.98x = 16,392,076.04 × 6,445,807.98
  4. Step 4: Simplify right side
    11,878,315.98x = 105,660,174,547,398.80
  5. Step 5: Solve for x
    x = 105,660,174,547,398.80/11,878,315.98
  6. Step 6: Final answer
    x = 8,895,215.01

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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.