Home / 28,501,816-39,334,994.40-15,627,248.32

Finding the Fourth Proportional to 28,501,816, 39,334,994.40 and 15,627,248.32

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Solution

The fourth proportional to 28,501,816, 39,334,994.40 and 15,627,248.32 is: 21,566,967.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,501,816 : 39,334,994.40 = 15,627,248.32 : x
  2. Step 2: Convert to fraction form
    28,501,816/39,334,994.40 = 15,627,248.32/x
  3. Step 3: Cross multiply
    28,501,816x = 39,334,994.40 × 15,627,248.32
  4. Step 4: Simplify right side
    28,501,816x = 614,697,725,154,609.38
  5. Step 5: Solve for x
    x = 614,697,725,154,609.38/28,501,816
  6. Step 6: Final answer
    x = 21,566,967.00

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1.5x scale

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.