Home / 30,334,064.90-45,501,097.35-21,831,008.90

Finding the Fourth Proportional to 30,334,064.90, 45,501,097.35 and 21,831,008.90

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Solution

The fourth proportional to 30,334,064.90, 45,501,097.35 and 21,831,008.90 is: 32,746,513.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,334,064.90 : 45,501,097.35 = 21,831,008.90 : x
  2. Step 2: Convert to fraction form
    30,334,064.90/45,501,097.35 = 21,831,008.90/x
  3. Step 3: Cross multiply
    30,334,064.90x = 45,501,097.35 × 21,831,008.90
  4. Step 4: Simplify right side
    30,334,064.90x = 993,334,861,207,616.38
  5. Step 5: Solve for x
    x = 993,334,861,207,616.38/30,334,064.90
  6. Step 6: Final answer
    x = 32,746,513.35

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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.