Finding the Fourth Proportional to 10,197,541.47, 15,311,387.93 and 6,806,952.75
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Solution
The fourth proportional to 10,197,541.47, 15,311,387.93 and 6,806,952.75 is: 10,220,492.31
Step by Step Solution
- Step 1: Write the proportion equation
10,197,541.47 : 15,311,387.93 = 6,806,952.75 : x - Step 2: Convert to fraction form
10,197,541.47/15,311,387.93 = 6,806,952.75/x - Step 3: Cross multiply
10,197,541.47x = 15,311,387.93 × 6,806,952.75 - Step 4: Simplify right side
10,197,541.47x = 104,223,894,176,430.31 - Step 5: Solve for x
x = 104,223,894,176,430.31/10,197,541.47 - Step 6: Final answer
x = 10,220,492.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.