Finding the Fourth Proportional to 26,506,438.20, 39,755,228.55 and 7,339,132.80
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Solution
The fourth proportional to 26,506,438.20, 39,755,228.55 and 7,339,132.80 is: 11,007,472.96
Step by Step Solution
- Step 1: Write the proportion equation
26,506,438.20 : 39,755,228.55 = 7,339,132.80 : x - Step 2: Convert to fraction form
26,506,438.20/39,755,228.55 = 7,339,132.80/x - Step 3: Cross multiply
26,506,438.20x = 39,755,228.55 × 7,339,132.80 - Step 4: Simplify right side
26,506,438.20x = 291,768,901,822,801.44 - Step 5: Solve for x
x = 291,768,901,822,801.44/26,506,438.20 - Step 6: Final answer
x = 11,007,472.96
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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.