Finding the Fourth Proportional to 10,239,579.50, 14,130,349.90 and 5,655,802.46
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Solution
The fourth proportional to 10,239,579.50, 14,130,349.90 and 5,655,802.46 is: 7,804,858.37
Step by Step Solution
- Step 1: Write the proportion equation
10,239,579.50 : 14,130,349.90 = 5,655,802.46 : x - Step 2: Convert to fraction form
10,239,579.50/14,130,349.90 = 5,655,802.46/x - Step 3: Cross multiply
10,239,579.50x = 14,130,349.90 × 5,655,802.46 - Step 4: Simplify right side
10,239,579.50x = 79,918,467,725,080.75 - Step 5: Solve for x
x = 79,918,467,725,080.75/10,239,579.50 - Step 6: Final answer
x = 7,804,858.37
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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.