Finding the Fourth Proportional to 26,987,215.98, 40,480,791.39 and 8,791,381.47
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Solution
The fourth proportional to 26,987,215.98, 40,480,791.39 and 8,791,381.47 is: 13,187,061.59
Step by Step Solution
- Step 1: Write the proportion equation
26,987,215.98 : 40,480,791.39 = 8,791,381.47 : x - Step 2: Convert to fraction form
26,987,215.98/40,480,791.39 = 8,791,381.47/x - Step 3: Cross multiply
26,987,215.98x = 40,480,791.39 × 8,791,381.47 - Step 4: Simplify right side
26,987,215.98x = 355,882,079,316,981.56 - Step 5: Solve for x
x = 355,882,079,316,981.56/26,987,215.98 - Step 6: Final answer
x = 13,187,061.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.