Home / 42,541,477.74-63,798,831.93-13,780,940.58

Finding the Fourth Proportional to 42,541,477.74, 63,798,831.93 and 13,780,940.58

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Solution

The fourth proportional to 42,541,477.74, 63,798,831.93 and 13,780,940.58 is: 20,667,075.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,541,477.74 : 63,798,831.93 = 13,780,940.58 : x
  2. Step 2: Convert to fraction form
    42,541,477.74/63,798,831.93 = 13,780,940.58/x
  3. Step 3: Cross multiply
    42,541,477.74x = 63,798,831.93 × 13,780,940.58
  4. Step 4: Simplify right side
    42,541,477.74x = 879,207,911,900,736.75
  5. Step 5: Solve for x
    x = 879,207,911,900,736.75/42,541,477.74
  6. Step 6: Final answer
    x = 20,667,075.02

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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.