Home / 28,088,708-42,133,079.28-6,813,572

Finding the Fourth Proportional to 28,088,708, 42,133,079.28 and 6,813,572

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Solution

The fourth proportional to 28,088,708, 42,133,079.28 and 6,813,572 is: 10,220,362.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,088,708 : 42,133,079.28 = 6,813,572 : x
  2. Step 2: Convert to fraction form
    28,088,708/42,133,079.28 = 6,813,572/x
  3. Step 3: Cross multiply
    28,088,708x = 42,133,079.28 × 6,813,572
  4. Step 4: Simplify right side
    28,088,708x = 287,076,769,255,988.19
  5. Step 5: Solve for x
    x = 287,076,769,255,988.19/28,088,708
  6. Step 6: Final answer
    x = 10,220,362.19

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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.