Home / 30,506,436.37-45,759,639.97-7,787,326.33

Finding the Fourth Proportional to 30,506,436.37, 45,759,639.97 and 7,787,326.33

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Solution

The fourth proportional to 30,506,436.37, 45,759,639.97 and 7,787,326.33 is: 11,680,985.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,506,436.37 : 45,759,639.97 = 7,787,326.33 : x
  2. Step 2: Convert to fraction form
    30,506,436.37/45,759,639.97 = 7,787,326.33/x
  3. Step 3: Cross multiply
    30,506,436.37x = 45,759,639.97 × 7,787,326.33
  4. Step 4: Simplify right side
    30,506,436.37x = 356,345,249,189,701.38
  5. Step 5: Solve for x
    x = 356,345,249,189,701.38/30,506,436.37
  6. Step 6: Final answer
    x = 11,680,985.77

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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.