Finding the Fourth Proportional to 19,418,547.48, 29,128,346.12 and 5,041,296.96
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Solution
The fourth proportional to 19,418,547.48, 29,128,346.12 and 5,041,296.96 is: 7,562,081.71
Step by Step Solution
- Step 1: Write the proportion equation
19,418,547.48 : 29,128,346.12 = 5,041,296.96 : x - Step 2: Convert to fraction form
19,418,547.48/29,128,346.12 = 5,041,296.96/x - Step 3: Cross multiply
19,418,547.48x = 29,128,346.12 × 5,041,296.96 - Step 4: Simplify right side
19,418,547.48x = 146,844,642,744,583.81 - Step 5: Solve for x
x = 146,844,642,744,583.81/19,418,547.48 - Step 6: Final answer
x = 7,562,081.71
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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.