Home / 28,534,518-42,792,786-9,360,807.12

Finding the Fourth Proportional to 28,534,518, 42,792,786 and 9,360,807.12

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Solution

The fourth proportional to 28,534,518, 42,792,786 and 9,360,807.12 is: 14,038,261.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,534,518 : 42,792,786 = 9,360,807.12 : x
  2. Step 2: Convert to fraction form
    28,534,518/42,792,786 = 9,360,807.12/x
  3. Step 3: Cross multiply
    28,534,518x = 42,792,786 × 9,360,807.12
  4. Step 4: Simplify right side
    28,534,518x = 400,575,015,873,436.31
  5. Step 5: Solve for x
    x = 400,575,015,873,436.31/28,534,518
  6. Step 6: Final answer
    x = 14,038,261.16

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1.5x scale

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.