Home / 21,630,783.84-29,818,679.41-16,465,148.16

Finding the Fourth Proportional to 21,630,783.84, 29,818,679.41 and 16,465,148.16

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Solution

The fourth proportional to 21,630,783.84, 29,818,679.41 and 16,465,148.16 is: 22,697,696.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,630,783.84 : 29,818,679.41 = 16,465,148.16 : x
  2. Step 2: Convert to fraction form
    21,630,783.84/29,818,679.41 = 16,465,148.16/x
  3. Step 3: Cross multiply
    21,630,783.84x = 29,818,679.41 × 16,465,148.16
  4. Step 4: Simplify right side
    21,630,783.84x = 490,968,974,421,191.38
  5. Step 5: Solve for x
    x = 490,968,974,421,191.38/21,630,783.84
  6. Step 6: Final answer
    x = 22,697,696.86

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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.