Home / 19,574,485.70-29,361,728.55-12,772,040.90

Finding the Fourth Proportional to 19,574,485.70, 29,361,728.55 and 12,772,040.90

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Solution

The fourth proportional to 19,574,485.70, 29,361,728.55 and 12,772,040.90 is: 19,158,061.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,574,485.70 : 29,361,728.55 = 12,772,040.90 : x
  2. Step 2: Convert to fraction form
    19,574,485.70/29,361,728.55 = 12,772,040.90/x
  3. Step 3: Cross multiply
    19,574,485.70x = 29,361,728.55 × 12,772,040.90
  4. Step 4: Simplify right side
    19,574,485.70x = 375,009,197,935,297.69
  5. Step 5: Solve for x
    x = 375,009,197,935,297.69/19,574,485.70
  6. Step 6: Final answer
    x = 19,158,061.35

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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.