Finding the Fourth Proportional to 15,735,582.12, 21,709,342.98 and 9,536,156.68
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Solution
The fourth proportional to 15,735,582.12, 21,709,342.98 and 9,536,156.68 is: 13,156,405.30
Step by Step Solution
- Step 1: Write the proportion equation
15,735,582.12 : 21,709,342.98 = 9,536,156.68 : x - Step 2: Convert to fraction form
15,735,582.12/21,709,342.98 = 9,536,156.68/x - Step 3: Cross multiply
15,735,582.12x = 21,709,342.98 × 9,536,156.68 - Step 4: Simplify right side
15,735,582.12x = 207,023,696,077,138.09 - Step 5: Solve for x
x = 207,023,696,077,138.09/15,735,582.12 - Step 6: Final answer
x = 13,156,405.30
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.