Finding the Fourth Proportional to 26,518,562.80, 39,703,937.64 and 13,536,787.84
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Solution
The fourth proportional to 26,518,562.80, 39,703,937.64 and 13,536,787.84 is: 20,267,455.08
Step by Step Solution
- Step 1: Write the proportion equation
26,518,562.80 : 39,703,937.64 = 13,536,787.84 : x - Step 2: Convert to fraction form
26,518,562.80/39,703,937.64 = 13,536,787.84/x - Step 3: Cross multiply
26,518,562.80x = 39,703,937.64 × 13,536,787.84 - Step 4: Simplify right side
26,518,562.80x = 537,463,780,245,270.31 - Step 5: Solve for x
x = 537,463,780,245,270.31/26,518,562.80 - Step 6: Final answer
x = 20,267,455.08
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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.