Finding the Fourth Proportional to 20,063,937.13, 27,688,395.95 and 10,896,645.49
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Solution
The fourth proportional to 20,063,937.13, 27,688,395.95 and 10,896,645.49 is: 15,037,459.14
Step by Step Solution
- Step 1: Write the proportion equation
20,063,937.13 : 27,688,395.95 = 10,896,645.49 : x - Step 2: Convert to fraction form
20,063,937.13/27,688,395.95 = 10,896,645.49/x - Step 3: Cross multiply
20,063,937.13x = 27,688,395.95 × 10,896,645.49 - Step 4: Simplify right side
20,063,937.13x = 301,710,634,771,060 - Step 5: Solve for x
x = 301,710,634,771,060/20,063,937.13 - Step 6: Final answer
x = 15,037,459.14
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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.