Finding the Fourth Proportional to 10,187,328.51, 14,057,235.95 and 6,886,803.79
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Solution
The fourth proportional to 10,187,328.51, 14,057,235.95 and 6,886,803.79 is: 9,502,925.69
Step by Step Solution
- Step 1: Write the proportion equation
10,187,328.51 : 14,057,235.95 = 6,886,803.79 : x - Step 2: Convert to fraction form
10,187,328.51/14,057,235.95 = 6,886,803.79/x - Step 3: Cross multiply
10,187,328.51x = 14,057,235.95 × 6,886,803.79 - Step 4: Simplify right side
10,187,328.51x = 96,809,425,817,384.25 - Step 5: Solve for x
x = 96,809,425,817,384.25/10,187,328.51 - Step 6: Final answer
x = 9,502,925.69
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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.