Finding the Fourth Proportional to 29,249,220.36, 40,363,899.12 and 16,196,479.20
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Solution
The fourth proportional to 29,249,220.36, 40,363,899.12 and 16,196,479.20 is: 22,351,127.47
Step by Step Solution
- Step 1: Write the proportion equation
29,249,220.36 : 40,363,899.12 = 16,196,479.20 : x - Step 2: Convert to fraction form
29,249,220.36/40,363,899.12 = 16,196,479.20/x - Step 3: Cross multiply
29,249,220.36x = 40,363,899.12 × 16,196,479.20 - Step 4: Simplify right side
29,249,220.36x = 653,753,052,527,978.25 - Step 5: Solve for x
x = 653,753,052,527,978.25/29,249,220.36 - Step 6: Final answer
x = 22,351,127.47
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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.