Finding the Fourth Proportional to 26,986,898.66, 40,480,315.16 and 8,791,064.12
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Solution
The fourth proportional to 26,986,898.66, 40,480,315.16 and 8,791,064.12 is: 13,186,585.49
Step by Step Solution
- Step 1: Write the proportion equation
26,986,898.66 : 40,480,315.16 = 8,791,064.12 : x - Step 2: Convert to fraction form
26,986,898.66/40,480,315.16 = 8,791,064.12/x - Step 3: Cross multiply
26,986,898.66x = 40,480,315.16 × 8,791,064.12 - Step 4: Simplify right side
26,986,898.66x = 355,865,046,226,613.56 - Step 5: Solve for x
x = 355,865,046,226,613.56/26,986,898.66 - Step 6: Final answer
x = 13,186,585.49
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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.