Home / 13,828,313.60-20,742,470.40-6,653,860.10

Finding the Fourth Proportional to 13,828,313.60, 20,742,470.40 and 6,653,860.10

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Solution

The fourth proportional to 13,828,313.60, 20,742,470.40 and 6,653,860.10 is: 9,980,790.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828,313.60 : 20,742,470.40 = 6,653,860.10 : x
  2. Step 2: Convert to fraction form
    13,828,313.60/20,742,470.40 = 6,653,860.10/x
  3. Step 3: Cross multiply
    13,828,313.60x = 20,742,470.40 × 6,653,860.10
  4. Step 4: Simplify right side
    13,828,313.60x = 138,017,496,169,991.02
  5. Step 5: Solve for x
    x = 138,017,496,169,991.02/13,828,313.60
  6. Step 6: Final answer
    x = 9,980,790.15

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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.