Finding the Fourth Proportional to 19,720,139.04, 29,714,812.80 and 16,204,656.83
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Solution
The fourth proportional to 19,720,139.04, 29,714,812.80 and 16,204,656.83 is: 24,417,593.76
Step by Step Solution
- Step 1: Write the proportion equation
19,720,139.04 : 29,714,812.80 = 16,204,656.83 : x - Step 2: Convert to fraction form
19,720,139.04/29,714,812.80 = 16,204,656.83/x - Step 3: Cross multiply
19,720,139.04x = 29,714,812.80 × 16,204,656.83 - Step 4: Simplify right side
19,720,139.04x = 481,518,344,153,270.69 - Step 5: Solve for x
x = 481,518,344,153,270.69/19,720,139.04 - Step 6: Final answer
x = 24,417,593.76
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.