Finding the Fourth Proportional to 57,900,926.05, 86,854,182.17 and 19,038,517.63
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Solution
The fourth proportional to 57,900,926.05, 86,854,182.17 and 19,038,517.63 is: 28,558,694.85
Step by Step Solution
- Step 1: Write the proportion equation
57,900,926.05 : 86,854,182.17 = 19,038,517.63 : x - Step 2: Convert to fraction form
57,900,926.05/86,854,182.17 = 19,038,517.63/x - Step 3: Cross multiply
57,900,926.05x = 86,854,182.17 × 19,038,517.63 - Step 4: Simplify right side
57,900,926.05x = 1,653,574,878,482,776.50 - Step 5: Solve for x
x = 1,653,574,878,482,776.50/57,900,926.05 - Step 6: Final answer
x = 28,558,694.85
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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.