Finding the Fourth Proportional to 34,151,719.18, 47,129,746.40 and 18,681,803.97
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Solution
The fourth proportional to 34,151,719.18, 47,129,746.40 and 18,681,803.97 is: 25,781,094.03
Step by Step Solution
- Step 1: Write the proportion equation
34,151,719.18 : 47,129,746.40 = 18,681,803.97 : x - Step 2: Convert to fraction form
34,151,719.18/47,129,746.40 = 18,681,803.97/x - Step 3: Cross multiply
34,151,719.18x = 47,129,746.40 × 18,681,803.97 - Step 4: Simplify right side
34,151,719.18x = 880,468,683,413,058.62 - Step 5: Solve for x
x = 880,468,683,413,058.62/34,151,719.18 - Step 6: Final answer
x = 25,781,094.03
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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.