Home / 14,721,724.67-20,316,130.39-8,106,928.25

Finding the Fourth Proportional to 14,721,724.67, 20,316,130.39 and 8,106,928.25

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Solution

The fourth proportional to 14,721,724.67, 20,316,130.39 and 8,106,928.25 is: 11,187,643.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,721,724.67 : 20,316,130.39 = 8,106,928.25 : x
  2. Step 2: Convert to fraction form
    14,721,724.67/20,316,130.39 = 8,106,928.25/x
  3. Step 3: Cross multiply
    14,721,724.67x = 20,316,130.39 × 8,106,928.25
  4. Step 4: Simplify right side
    14,721,724.67x = 164,701,411,311,613.97
  5. Step 5: Solve for x
    x = 164,701,411,311,613.97/14,721,724.67
  6. Step 6: Final answer
    x = 11,187,643.77

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1.5x scale

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.