Finding the Fourth Proportional to 19,228,508.92, 28,841,888.56 and 6,448,030.84
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Solution
The fourth proportional to 19,228,508.92, 28,841,888.56 and 6,448,030.84 is: 9,671,752.90
Step by Step Solution
- Step 1: Write the proportion equation
19,228,508.92 : 28,841,888.56 = 6,448,030.84 : x - Step 2: Convert to fraction form
19,228,508.92/28,841,888.56 = 6,448,030.84/x - Step 3: Cross multiply
19,228,508.92x = 28,841,888.56 × 6,448,030.84 - Step 4: Simplify right side
19,228,508.92x = 185,973,386,918,723.19 - Step 5: Solve for x
x = 185,973,386,918,723.19/19,228,508.92 - Step 6: Final answer
x = 9,671,752.90
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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.