Finding the Fourth Proportional to 10,956,539.66, 15,124,867.67 and 6,547,820.99
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Solution
The fourth proportional to 10,956,539.66, 15,124,867.67 and 6,547,820.99 is: 9,038,887.19
Step by Step Solution
- Step 1: Write the proportion equation
10,956,539.66 : 15,124,867.67 = 6,547,820.99 : x - Step 2: Convert to fraction form
10,956,539.66/15,124,867.67 = 6,547,820.99/x - Step 3: Cross multiply
10,956,539.66x = 15,124,867.67 × 6,547,820.99 - Step 4: Simplify right side
10,956,539.66x = 99,034,925,941,343.61 - Step 5: Solve for x
x = 99,034,925,941,343.61/10,956,539.66 - Step 6: Final answer
x = 9,038,887.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.