Finding the Fourth Proportional to 26,365,472.13, 36,378,467.08 and 15,913,183.93
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Solution
The fourth proportional to 26,365,472.13, 36,378,467.08 and 15,913,183.93 is: 21,956,642.19
Step by Step Solution
- Step 1: Write the proportion equation
26,365,472.13 : 36,378,467.08 = 15,913,183.93 : x - Step 2: Convert to fraction form
26,365,472.13/36,378,467.08 = 15,913,183.93/x - Step 3: Cross multiply
26,365,472.13x = 36,378,467.08 × 15,913,183.93 - Step 4: Simplify right side
26,365,472.13x = 578,897,237,735,490 - Step 5: Solve for x
x = 578,897,237,735,490/26,365,472.13 - Step 6: Final answer
x = 21,956,642.19
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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.