Home / 19,320,038.90-28,980,058.35-10,362,086.90

Finding the Fourth Proportional to 19,320,038.90, 28,980,058.35 and 10,362,086.90

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Solution

The fourth proportional to 19,320,038.90, 28,980,058.35 and 10,362,086.90 is: 15,543,130.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320,038.90 : 28,980,058.35 = 10,362,086.90 : x
  2. Step 2: Convert to fraction form
    19,320,038.90/28,980,058.35 = 10,362,086.90/x
  3. Step 3: Cross multiply
    19,320,038.90x = 28,980,058.35 × 10,362,086.90
  4. Step 4: Simplify right side
    19,320,038.90x = 300,293,882,989,770.62
  5. Step 5: Solve for x
    x = 300,293,882,989,770.62/19,320,038.90
  6. Step 6: Final answer
    x = 15,543,130.35

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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.