Home / 25,937,966.90-35,771,226.10-21,520,699.16

Finding the Fourth Proportional to 25,937,966.90, 35,771,226.10 and 21,520,699.16

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Solution

The fourth proportional to 25,937,966.90, 35,771,226.10 and 21,520,699.16 is: 29,679,342.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,937,966.90 : 35,771,226.10 = 21,520,699.16 : x
  2. Step 2: Convert to fraction form
    25,937,966.90/35,771,226.10 = 21,520,699.16/x
  3. Step 3: Cross multiply
    25,937,966.90x = 35,771,226.10 × 21,520,699.16
  4. Step 4: Simplify right side
    25,937,966.90x = 769,821,795,249,782.12
  5. Step 5: Solve for x
    x = 769,821,795,249,782.12/25,937,966.90
  6. Step 6: Final answer
    x = 29,679,342.18

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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.