Finding the Fourth Proportional to 19,347,697.08, 29,020,589.10 and 7,216,215.48
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Solution
The fourth proportional to 19,347,697.08, 29,020,589.10 and 7,216,215.48 is: 10,823,966.46
Step by Step Solution
- Step 1: Write the proportion equation
19,347,697.08 : 29,020,589.10 = 7,216,215.48 : x - Step 2: Convert to fraction form
19,347,697.08/29,020,589.10 = 7,216,215.48/x - Step 3: Cross multiply
19,347,697.08x = 29,020,589.10 × 7,216,215.48 - Step 4: Simplify right side
19,347,697.08x = 209,418,824,302,139.28 - Step 5: Solve for x
x = 209,418,824,302,139.28/19,347,697.08 - Step 6: Final answer
x = 10,823,966.46
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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.