Finding the Fourth Proportional to 10,389,813.66, 14,337,962.28 and 5,806,135.02
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Solution
The fourth proportional to 10,389,813.66, 14,337,962.28 and 5,806,135.02 is: 8,012,477.19
Step by Step Solution
- Step 1: Write the proportion equation
10,389,813.66 : 14,337,962.28 = 5,806,135.02 : x - Step 2: Convert to fraction form
10,389,813.66/14,337,962.28 = 5,806,135.02/x - Step 3: Cross multiply
10,389,813.66x = 14,337,962.28 × 5,806,135.02 - Step 4: Simplify right side
10,389,813.66x = 83,248,144,909,347.03 - Step 5: Solve for x
x = 83,248,144,909,347.03/10,389,813.66 - Step 6: Final answer
x = 8,012,477.19
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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.