Finding the Fourth Proportional to 26,655,191.94, 39,952,562.16 and 12,248,490.70
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Solution
The fourth proportional to 26,655,191.94, 39,952,562.16 and 12,248,490.70 is: 18,358,846.83
Step by Step Solution
- Step 1: Write the proportion equation
26,655,191.94 : 39,952,562.16 = 12,248,490.70 : x - Step 2: Convert to fraction form
26,655,191.94/39,952,562.16 = 12,248,490.70/x - Step 3: Cross multiply
26,655,191.94x = 39,952,562.16 × 12,248,490.70 - Step 4: Simplify right side
26,655,191.94x = 489,358,586,057,931.81 - Step 5: Solve for x
x = 489,358,586,057,931.81/26,655,191.94 - Step 6: Final answer
x = 18,358,846.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.