Home / 13,256,043.18-19,877,782.38-4,617,130.74

Finding the Fourth Proportional to 13,256,043.18, 19,877,782.38 and 4,617,130.74

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Solution

The fourth proportional to 13,256,043.18, 19,877,782.38 and 4,617,130.74 is: 6,923,507.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256,043.18 : 19,877,782.38 = 4,617,130.74 : x
  2. Step 2: Convert to fraction form
    13,256,043.18/19,877,782.38 = 4,617,130.74/x
  3. Step 3: Cross multiply
    13,256,043.18x = 19,877,782.38 × 4,617,130.74
  4. Step 4: Simplify right side
    13,256,043.18x = 91,778,320,069,728.36
  5. Step 5: Solve for x
    x = 91,778,320,069,728.36/13,256,043.18
  6. Step 6: Final answer
    x = 6,923,507.93

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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.