Finding the Fourth Proportional to 19,966,547.36, 29,871,019.17 and 15,122,807.10
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Solution
The fourth proportional to 19,966,547.36, 29,871,019.17 and 15,122,807.10 is: 22,624,525.54
Step by Step Solution
- Step 1: Write the proportion equation
19,966,547.36 : 29,871,019.17 = 15,122,807.10 : x - Step 2: Convert to fraction form
19,966,547.36/29,871,019.17 = 15,122,807.10/x - Step 3: Cross multiply
19,966,547.36x = 29,871,019.17 × 15,122,807.10 - Step 4: Simplify right side
19,966,547.36x = 451,733,660,788,312.12 - Step 5: Solve for x
x = 451,733,660,788,312.12/19,966,547.36 - Step 6: Final answer
x = 22,624,525.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.