Finding the Fourth Proportional to 16,248,862.67, 22,423,701.47 and 8,806,762.28
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Solution
The fourth proportional to 16,248,862.67, 22,423,701.47 and 8,806,762.28 is: 12,153,478.81
Step by Step Solution
- Step 1: Write the proportion equation
16,248,862.67 : 22,423,701.47 = 8,806,762.28 : x - Step 2: Convert to fraction form
16,248,862.67/22,423,701.47 = 8,806,762.28/x - Step 3: Cross multiply
16,248,862.67x = 22,423,701.47 × 8,806,762.28 - Step 4: Simplify right side
16,248,862.67x = 197,480,208,127,824.25 - Step 5: Solve for x
x = 197,480,208,127,824.25/16,248,862.67 - Step 6: Final answer
x = 12,153,478.81
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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.