Finding the Fourth Proportional to 37,438,340.68, 51,665,252.16 and 21,968,683.12
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Solution
The fourth proportional to 37,438,340.68, 51,665,252.16 and 21,968,683.12 is: 30,316,983.40
Step by Step Solution
- Step 1: Write the proportion equation
37,438,340.68 : 51,665,252.16 = 21,968,683.12 : x - Step 2: Convert to fraction form
37,438,340.68/51,665,252.16 = 21,968,683.12/x - Step 3: Cross multiply
37,438,340.68x = 51,665,252.16 × 21,968,683.12 - Step 4: Simplify right side
37,438,340.68x = 1,135,017,553,017,935.50 - Step 5: Solve for x
x = 1,135,017,553,017,935.50/37,438,340.68 - Step 6: Final answer
x = 30,316,983.40
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.