Finding the Fourth Proportional to 19,832,926.61, 29,748,590.06 and 10,117,326.47
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Solution
The fourth proportional to 19,832,926.61, 29,748,590.06 and 10,117,326.47 is: 15,175,581.68
Step by Step Solution
- Step 1: Write the proportion equation
19,832,926.61 : 29,748,590.06 = 10,117,326.47 : x - Step 2: Convert to fraction form
19,832,926.61/29,748,590.06 = 10,117,326.47/x - Step 3: Cross multiply
19,832,926.61x = 29,748,590.06 × 10,117,326.47 - Step 4: Simplify right side
19,832,926.61x = 300,976,197,683,001.75 - Step 5: Solve for x
x = 300,976,197,683,001.75/19,832,926.61 - Step 6: Final answer
x = 15,175,581.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.