Finding the Fourth Proportional to 42,587,893.23, 63,881,832.56 and 13,462,178.09
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Solution
The fourth proportional to 42,587,893.23, 63,881,832.56 and 13,462,178.09 is: 20,193,264.82
Step by Step Solution
- Step 1: Write the proportion equation
42,587,893.23 : 63,881,832.56 = 13,462,178.09 : x - Step 2: Convert to fraction form
42,587,893.23/63,881,832.56 = 13,462,178.09/x - Step 3: Cross multiply
42,587,893.23x = 63,881,832.56 × 13,462,178.09 - Step 4: Simplify right side
42,587,893.23x = 859,988,606,251,560.62 - Step 5: Solve for x
x = 859,988,606,251,560.62/42,587,893.23 - Step 6: Final answer
x = 20,193,264.82
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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.