Home / 42,518,678.40-63,771,796.80-12,223,382.40

Finding the Fourth Proportional to 42,518,678.40, 63,771,796.80 and 12,223,382.40

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Solution

The fourth proportional to 42,518,678.40, 63,771,796.80 and 12,223,382.40 is: 18,333,285.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,518,678.40 : 63,771,796.80 = 12,223,382.40 : x
  2. Step 2: Convert to fraction form
    42,518,678.40/63,771,796.80 = 12,223,382.40/x
  3. Step 3: Cross multiply
    42,518,678.40x = 63,771,796.80 × 12,223,382.40
  4. Step 4: Simplify right side
    42,518,678.40x = 779,507,058,621,496.25
  5. Step 5: Solve for x
    x = 779,507,058,621,496.25/42,518,678.40
  6. Step 6: Final answer
    x = 18,333,285.23

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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.