Home / 9,878,636.44-14,817,871.43-7,721,476.03

Finding the Fourth Proportional to 9,878,636.44, 14,817,871.43 and 7,721,476.03

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Solution

The fourth proportional to 9,878,636.44, 14,817,871.43 and 7,721,476.03 is: 11,582,148.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,878,636.44 : 14,817,871.43 = 7,721,476.03 : x
  2. Step 2: Convert to fraction form
    9,878,636.44/14,817,871.43 = 7,721,476.03/x
  3. Step 3: Cross multiply
    9,878,636.44x = 14,817,871.43 × 7,721,476.03
  4. Step 4: Simplify right side
    9,878,636.44x = 114,415,838,949,670.09
  5. Step 5: Solve for x
    x = 114,415,838,949,670.09/9,878,636.44
  6. Step 6: Final answer
    x = 11,582,148.98

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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.