Home / 14,570,048.40-20,109,298.80-8,690,060.16

Finding the Fourth Proportional to 14,570,048.40, 20,109,298.80 and 8,690,060.16

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Solution

The fourth proportional to 14,570,048.40, 20,109,298.80 and 8,690,060.16 is: 11,993,852.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,570,048.40 : 20,109,298.80 = 8,690,060.16 : x
  2. Step 2: Convert to fraction form
    14,570,048.40/20,109,298.80 = 8,690,060.16/x
  3. Step 3: Cross multiply
    14,570,048.40x = 20,109,298.80 × 8,690,060.16
  4. Step 4: Simplify right side
    14,570,048.40x = 174,751,016,347,415.81
  5. Step 5: Solve for x
    x = 174,751,016,347,415.81/14,570,048.40
  6. Step 6: Final answer
    x = 11,993,852.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.