Home / 30,140,889.95-45,154,287.90-17,807,971.38

Finding the Fourth Proportional to 30,140,889.95, 45,154,287.90 and 17,807,971.38

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Solution

The fourth proportional to 30,140,889.95, 45,154,287.90 and 17,807,971.38 is: 26,678,252.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,140,889.95 : 45,154,287.90 = 17,807,971.38 : x
  2. Step 2: Convert to fraction form
    30,140,889.95/45,154,287.90 = 17,807,971.38/x
  3. Step 3: Cross multiply
    30,140,889.95x = 45,154,287.90 × 17,807,971.38
  4. Step 4: Simplify right side
    30,140,889.95x = 804,106,266,607,480.25
  5. Step 5: Solve for x
    x = 804,106,266,607,480.25/30,140,889.95
  6. Step 6: Final answer
    x = 26,678,252.30

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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.