Home / 13,035,998.40-19,553,980.32-7,353,643.20

Finding the Fourth Proportional to 13,035,998.40, 19,553,980.32 and 7,353,643.20

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Solution

The fourth proportional to 13,035,998.40, 19,553,980.32 and 7,353,643.20 is: 11,030,455.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,035,998.40 : 19,553,980.32 = 7,353,643.20 : x
  2. Step 2: Convert to fraction form
    13,035,998.40/19,553,980.32 = 7,353,643.20/x
  3. Step 3: Cross multiply
    13,035,998.40x = 19,553,980.32 × 7,353,643.20
  4. Step 4: Simplify right side
    13,035,998.40x = 143,792,994,413,101.84
  5. Step 5: Solve for x
    x = 143,792,994,413,101.84/13,035,998.40
  6. Step 6: Final answer
    x = 11,030,455.05

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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.