Home / 30,537,007.20-45,805,510.80-27,188,928.90

Finding the Fourth Proportional to 30,537,007.20, 45,805,510.80 and 27,188,928.90

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Solution

The fourth proportional to 30,537,007.20, 45,805,510.80 and 27,188,928.90 is: 40,783,393.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,537,007.20 : 45,805,510.80 = 27,188,928.90 : x
  2. Step 2: Convert to fraction form
    30,537,007.20/45,805,510.80 = 27,188,928.90/x
  3. Step 3: Cross multiply
    30,537,007.20x = 45,805,510.80 × 27,188,928.90
  4. Step 4: Simplify right side
    30,537,007.20x = 1,245,402,776,369,382
  5. Step 5: Solve for x
    x = 1,245,402,776,369,382/30,537,007.20
  6. Step 6: Final answer
    x = 40,783,393.35

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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.