Finding the Fourth Proportional to 29,272,443.08, 40,395,931.88 and 16,220,547.36
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Solution
The fourth proportional to 29,272,443.08, 40,395,931.88 and 16,220,547.36 is: 22,384,333.43
Step by Step Solution
- Step 1: Write the proportion equation
29,272,443.08 : 40,395,931.88 = 16,220,547.36 : x - Step 2: Convert to fraction form
29,272,443.08/40,395,931.88 = 16,220,547.36/x - Step 3: Cross multiply
29,272,443.08x = 40,395,931.88 × 16,220,547.36 - Step 4: Simplify right side
29,272,443.08x = 655,244,126,129,771.12 - Step 5: Solve for x
x = 655,244,126,129,771.12/29,272,443.08 - Step 6: Final answer
x = 22,384,333.43
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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.