Home / 7,076,445.16-9,763,145.28-5,767,446.40

Finding the Fourth Proportional to 7,076,445.16, 9,763,145.28 and 5,767,446.40

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Solution

The fourth proportional to 7,076,445.16, 9,763,145.28 and 5,767,446.40 is: 7,957,161.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076,445.16 : 9,763,145.28 = 5,767,446.40 : x
  2. Step 2: Convert to fraction form
    7,076,445.16/9,763,145.28 = 5,767,446.40/x
  3. Step 3: Cross multiply
    7,076,445.16x = 9,763,145.28 × 5,767,446.40
  4. Step 4: Simplify right side
    7,076,445.16x = 56,308,417,097,812.99
  5. Step 5: Solve for x
    x = 56,308,417,097,812.99/7,076,445.16
  6. Step 6: Final answer
    x = 7,957,161.52

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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.