Home / 20,973,419.16-31,460,131.02-6,400,415.07

Finding the Fourth Proportional to 20,973,419.16, 31,460,131.02 and 6,400,415.07

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Solution

The fourth proportional to 20,973,419.16, 31,460,131.02 and 6,400,415.07 is: 9,600,623.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,973,419.16 : 31,460,131.02 = 6,400,415.07 : x
  2. Step 2: Convert to fraction form
    20,973,419.16/31,460,131.02 = 6,400,415.07/x
  3. Step 3: Cross multiply
    20,973,419.16x = 31,460,131.02 × 6,400,415.07
  4. Step 4: Simplify right side
    20,973,419.16x = 201,357,896,684,582.47
  5. Step 5: Solve for x
    x = 201,357,896,684,582.47/20,973,419.16
  6. Step 6: Final answer
    x = 9,600,623.30

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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.