Finding the Fourth Proportional to 28,546,127.93, 39,386,904.51 and 16,156,221.08
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Solution
The fourth proportional to 28,546,127.93, 39,386,904.51 and 16,156,221.08 is: 22,291,763.65
Step by Step Solution
- Step 1: Write the proportion equation
28,546,127.93 : 39,386,904.51 = 16,156,221.08 : x - Step 2: Convert to fraction form
28,546,127.93/39,386,904.51 = 16,156,221.08/x - Step 3: Cross multiply
28,546,127.93x = 39,386,904.51 × 16,156,221.08 - Step 4: Simplify right side
28,546,127.93x = 636,343,536,920,409 - Step 5: Solve for x
x = 636,343,536,920,409/28,546,127.93 - Step 6: Final answer
x = 22,291,763.65
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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.