Finding the Fourth Proportional to 38,963,215.80, 58,444,823.70 and 17,688,079.80
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Solution
The fourth proportional to 38,963,215.80, 58,444,823.70 and 17,688,079.80 is: 26,532,119.70
Step by Step Solution
- Step 1: Write the proportion equation
38,963,215.80 : 58,444,823.70 = 17,688,079.80 : x - Step 2: Convert to fraction form
38,963,215.80/58,444,823.70 = 17,688,079.80/x - Step 3: Cross multiply
38,963,215.80x = 58,444,823.70 × 17,688,079.80 - Step 4: Simplify right side
38,963,215.80x = 1,033,776,705,502,531.38 - Step 5: Solve for x
x = 1,033,776,705,502,531.38/38,963,215.80 - Step 6: Final answer
x = 26,532,119.70
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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.