Home / 28,017,085.80-42,025,628.70-9,841,803.60

Finding the Fourth Proportional to 28,017,085.80, 42,025,628.70 and 9,841,803.60

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Solution

The fourth proportional to 28,017,085.80, 42,025,628.70 and 9,841,803.60 is: 14,762,705.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,017,085.80 : 42,025,628.70 = 9,841,803.60 : x
  2. Step 2: Convert to fraction form
    28,017,085.80/42,025,628.70 = 9,841,803.60/x
  3. Step 3: Cross multiply
    28,017,085.80x = 42,025,628.70 × 9,841,803.60
  4. Step 4: Simplify right side
    28,017,085.80x = 413,607,983,831,923.31
  5. Step 5: Solve for x
    x = 413,607,983,831,923.31/28,017,085.80
  6. Step 6: Final answer
    x = 14,762,705.40

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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.