Finding the Fourth Proportional to 19,742,088.04, 27,242,951.12 and 10,921,013.08
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Solution
The fourth proportional to 19,742,088.04, 27,242,951.12 and 10,921,013.08 is: 15,070,372.74
Step by Step Solution
- Step 1: Write the proportion equation
19,742,088.04 : 27,242,951.12 = 10,921,013.08 : x - Step 2: Convert to fraction form
19,742,088.04/27,242,951.12 = 10,921,013.08/x - Step 3: Cross multiply
19,742,088.04x = 27,242,951.12 × 10,921,013.08 - Step 4: Simplify right side
19,742,088.04x = 297,520,625,519,320.69 - Step 5: Solve for x
x = 297,520,625,519,320.69/19,742,088.04 - Step 6: Final answer
x = 15,070,372.74
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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.