Home / 15,558,313.84-21,472,637.12-8,683,238.76

Finding the Fourth Proportional to 15,558,313.84, 21,472,637.12 and 8,683,238.76

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Solution

The fourth proportional to 15,558,313.84, 21,472,637.12 and 8,683,238.76 is: 11,984,077.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,558,313.84 : 21,472,637.12 = 8,683,238.76 : x
  2. Step 2: Convert to fraction form
    15,558,313.84/21,472,637.12 = 8,683,238.76/x
  3. Step 3: Cross multiply
    15,558,313.84x = 21,472,637.12 × 8,683,238.76
  4. Step 4: Simplify right side
    15,558,313.84x = 186,452,034,919,798.78
  5. Step 5: Solve for x
    x = 186,452,034,919,798.78/15,558,313.84
  6. Step 6: Final answer
    x = 11,984,077.25

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Double scale
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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.