Home / 30,768,964.80-46,157,594.40-10,580,395.20

Finding the Fourth Proportional to 30,768,964.80, 46,157,594.40 and 10,580,395.20

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Solution

The fourth proportional to 30,768,964.80, 46,157,594.40 and 10,580,395.20 is: 15,872,018.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,768,964.80 : 46,157,594.40 = 10,580,395.20 : x
  2. Step 2: Convert to fraction form
    30,768,964.80/46,157,594.40 = 10,580,395.20/x
  3. Step 3: Cross multiply
    30,768,964.80x = 46,157,594.40 × 10,580,395.20
  4. Step 4: Simplify right side
    30,768,964.80x = 488,365,590,233,306.81
  5. Step 5: Solve for x
    x = 488,365,590,233,306.81/30,768,964.80
  6. Step 6: Final answer
    x = 15,872,018.88

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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.