Finding the Fourth Proportional to 7,498,430.84, 10,344,905.06 and 4,358,172.75
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Solution
The fourth proportional to 7,498,430.84, 10,344,905.06 and 4,358,172.75 is: 6,012,575.74
Step by Step Solution
- Step 1: Write the proportion equation
7,498,430.84 : 10,344,905.06 = 4,358,172.75 : x - Step 2: Convert to fraction form
7,498,430.84/10,344,905.06 = 4,358,172.75/x - Step 3: Cross multiply
7,498,430.84x = 10,344,905.06 × 4,358,172.75 - Step 4: Simplify right side
7,498,430.84x = 45,084,883,312,038.25 - Step 5: Solve for x
x = 45,084,883,312,038.25/7,498,430.84 - Step 6: Final answer
x = 6,012,575.74
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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.