Finding the Fourth Proportional to 14,371,897.32, 19,832,521.86 and 8,176,360.68
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Solution
The fourth proportional to 14,371,897.32, 19,832,521.86 and 8,176,360.68 is: 11,282,981.52
Step by Step Solution
- Step 1: Write the proportion equation
14,371,897.32 : 19,832,521.86 = 8,176,360.68 : x - Step 2: Convert to fraction form
14,371,897.32/19,832,521.86 = 8,176,360.68/x - Step 3: Cross multiply
14,371,897.32x = 19,832,521.86 × 8,176,360.68 - Step 4: Simplify right side
14,371,897.32x = 162,157,851,921,344.47 - Step 5: Solve for x
x = 162,157,851,921,344.47/14,371,897.32 - Step 6: Final answer
x = 11,282,981.52
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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.