Home / 19,309,969.60-28,983,616.80-9,736,158.40

Finding the Fourth Proportional to 19,309,969.60, 28,983,616.80 and 9,736,158.40

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Solution

The fourth proportional to 19,309,969.60, 28,983,616.80 and 9,736,158.40 is: 14,613,647.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309,969.60 : 28,983,616.80 = 9,736,158.40 : x
  2. Step 2: Convert to fraction form
    19,309,969.60/28,983,616.80 = 9,736,158.40/x
  3. Step 3: Cross multiply
    19,309,969.60x = 28,983,616.80 × 9,736,158.40
  4. Step 4: Simplify right side
    19,309,969.60x = 282,189,084,169,701.12
  5. Step 5: Solve for x
    x = 282,189,084,169,701.12/19,309,969.60
  6. Step 6: Final answer
    x = 14,613,647.25

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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.