Finding the Fourth Proportional to 19,725,979.41, 27,221,341.14 and 11,024,223.53
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Solution
The fourth proportional to 19,725,979.41, 27,221,341.14 and 11,024,223.53 is: 15,213,143.19
Step by Step Solution
- Step 1: Write the proportion equation
19,725,979.41 : 27,221,341.14 = 11,024,223.53 : x - Step 2: Convert to fraction form
19,725,979.41/27,221,341.14 = 11,024,223.53/x - Step 3: Cross multiply
19,725,979.41x = 27,221,341.14 × 11,024,223.53 - Step 4: Simplify right side
19,725,979.41x = 300,094,149,377,638.31 - Step 5: Solve for x
x = 300,094,149,377,638.31/19,725,979.41 - Step 6: Final answer
x = 15,213,143.19
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.