Finding the Fourth Proportional to 19,687,501.70, 29,484,013.35 and 9,578,312.90
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Solution
The fourth proportional to 19,687,501.70, 29,484,013.35 and 9,578,312.90 is: 14,344,486.66
Step by Step Solution
- Step 1: Write the proportion equation
19,687,501.70 : 29,484,013.35 = 9,578,312.90 : x - Step 2: Convert to fraction form
19,687,501.70/29,484,013.35 = 9,578,312.90/x - Step 3: Cross multiply
19,687,501.70x = 29,484,013.35 × 9,578,312.90 - Step 4: Simplify right side
19,687,501.70x = 282,407,105,414,077.25 - Step 5: Solve for x
x = 282,407,105,414,077.25/19,687,501.70 - Step 6: Final answer
x = 14,344,486.66
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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.