Finding the Fourth Proportional to 15,951,641.13, 22,013,152.79 and 8,708,297.13
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Solution
The fourth proportional to 15,951,641.13, 22,013,152.79 and 8,708,297.13 is: 12,017,388.91
Step by Step Solution
- Step 1: Write the proportion equation
15,951,641.13 : 22,013,152.79 = 8,708,297.13 : x - Step 2: Convert to fraction form
15,951,641.13/22,013,152.79 = 8,708,297.13/x - Step 3: Cross multiply
15,951,641.13x = 22,013,152.79 × 8,708,297.13 - Step 4: Simplify right side
15,951,641.13x = 191,697,075,219,867.03 - Step 5: Solve for x
x = 191,697,075,219,867.03/15,951,641.13 - Step 6: Final answer
x = 12,017,388.91
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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.