Home / 28,995,762.40-43,507,640.40-20,457,714.40

Finding the Fourth Proportional to 28,995,762.40, 43,507,640.40 and 20,457,714.40

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Solution

The fourth proportional to 28,995,762.40, 43,507,640.40 and 20,457,714.40 is: 30,696,446.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,995,762.40 : 43,507,640.40 = 20,457,714.40 : x
  2. Step 2: Convert to fraction form
    28,995,762.40/43,507,640.40 = 20,457,714.40/x
  3. Step 3: Cross multiply
    28,995,762.40x = 43,507,640.40 × 20,457,714.40
  4. Step 4: Simplify right side
    28,995,762.40x = 890,066,881,521,101.62
  5. Step 5: Solve for x
    x = 890,066,881,521,101.62/28,995,762.40
  6. Step 6: Final answer
    x = 30,696,446.92

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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.