Finding the Fourth Proportional to 10,471,533.18, 14,417,822.06 and 8,898,346.72
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Solution
The fourth proportional to 10,471,533.18, 14,417,822.06 and 8,898,346.72 is: 12,251,766.52
Step by Step Solution
- Step 1: Write the proportion equation
10,471,533.18 : 14,417,822.06 = 8,898,346.72 : x - Step 2: Convert to fraction form
10,471,533.18/14,417,822.06 = 8,898,346.72/x - Step 3: Cross multiply
10,471,533.18x = 14,417,822.06 × 8,898,346.72 - Step 4: Simplify right side
10,471,533.18x = 128,294,779,637,144.66 - Step 5: Solve for x
x = 128,294,779,637,144.66/10,471,533.18 - Step 6: Final answer
x = 12,251,766.52
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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.